CVE-2026-20521 - Vulnerability Details

Description

In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11375674; Issue ID: MSV-9571.

Published: 2026-10-05

Score: 8.4 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

MediaTek, Inc.

MediaTek chipset

unaffected

Version	Status	Constraints
`MT2718`	affected	—
`MT6768`	affected	—
`MT6769`	affected	—
`MT6781`	affected	—
`MT6789`	affected	—
`MT6833`	affected	—
`MT6835`	affected	—
`MT6853`	affected	—
`MT6855`	affected	—
`MT6858`	affected	—
`MT6877`	affected	—
`MT6878`	affected	—
`MT6879`	affected	—
`MT6881`	affected	—
`MT6883`	affected	—
`MT6885`	affected	—
`MT6886`	affected	—
`MT6889`	affected	—
`MT6893`	affected	—
`MT6895`	affected	—
`MT6897`	affected	—
`MT6899`	affected	—
`MT6983`	affected	—
`MT6985`	affected	—
`MT6989`	affected	—
`MT6991`	affected	—
`MT6993`	affected	—
`MT8126`	affected	—
`MT8171`	affected	—
`MT8186`	affected	—
`MT8188`	affected	—
`MT8189`	affected	—
`MT8195`	affected	—
`MT8196`	affected	—
`MT8367`	affected	—
`MT8391`	affected	—
`MT8395`	affected	—
`MT8668`	affected	—
`MT8676`	affected	—
`MT8678`	affected	—
`MT8695`	affected	—
`MT8696`	affected	—
`MT8781`	affected	—
`MT8788E`	affected	—
`MT8792`	affected	—
`MT8793`	affected	—
`MT8799`	affected	—
`MT8910`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:mediatek:mt2718_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:mediatek:mt6768_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND

cpe:2.3:o:mediatek:mt6769_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6769:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND

cpe:2.3:o:mediatek:mt6781_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND

cpe:2.3:o:mediatek:mt6789_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:*

Configuration 7 [-]

AND

cpe:2.3:o:mediatek:mt6833_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*

Configuration 8 [-]

AND

cpe:2.3:o:mediatek:mt6835_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*

Configuration 9 [-]

AND

cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*

Configuration 10 [-]

AND

cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*

Configuration 11 [-]

AND

cpe:2.3:o:mediatek:mt6858_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6858:-:*:*:*:*:*:*:*

Configuration 12 [-]

AND

cpe:2.3:o:mediatek:mt6877_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*

Configuration 13 [-]

AND

cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*

Configuration 14 [-]

AND

cpe:2.3:o:mediatek:mt6879_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*

Configuration 15 [-]

AND

cpe:2.3:o:mediatek:mt6881_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6881:-:*:*:*:*:*:*:*

Configuration 16 [-]

AND

cpe:2.3:o:mediatek:mt6883_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:*

Configuration 17 [-]

AND

cpe:2.3:o:mediatek:mt6885_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*

Configuration 18 [-]

AND

cpe:2.3:o:mediatek:mt6886_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*

Configuration 19 [-]

AND

cpe:2.3:o:mediatek:mt6889_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*

Configuration 20 [-]

AND

cpe:2.3:o:mediatek:mt6893_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*

Configuration 21 [-]

AND

cpe:2.3:o:mediatek:mt6895_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*

Configuration 22 [-]

AND

cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*

Configuration 23 [-]

AND

cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*

Configuration 24 [-]

AND

cpe:2.3:o:mediatek:mt6983_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*

Configuration 25 [-]

AND

cpe:2.3:o:mediatek:mt6985_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*

Configuration 26 [-]

AND

cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*

Configuration 27 [-]

AND

cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*

Configuration 28 [-]

AND

cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*

Configuration 29 [-]

AND

cpe:2.3:o:mediatek:mt8126_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8126:-:*:*:*:*:*:*:*

Configuration 30 [-]

AND

cpe:2.3:o:mediatek:mt8171_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8171:-:*:*:*:*:*:*:*

Configuration 31 [-]

AND

cpe:2.3:o:mediatek:mt8186_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:*

Configuration 32 [-]

AND

cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*

Configuration 33 [-]

AND

cpe:2.3:o:mediatek:mt8189_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8189:-:*:*:*:*:*:*:*

Configuration 34 [-]

AND

cpe:2.3:o:mediatek:mt8195_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:*

Configuration 35 [-]

AND

cpe:2.3:o:mediatek:mt8196_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*

Configuration 36 [-]

AND

cpe:2.3:o:mediatek:mt8367_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8367:-:*:*:*:*:*:*:*

Configuration 37 [-]

AND

cpe:2.3:o:mediatek:mt8391_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:*

Configuration 38 [-]

AND

cpe:2.3:o:mediatek:mt8395_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:*

Configuration 39 [-]

AND

cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*

Configuration 40 [-]

AND

cpe:2.3:o:mediatek:mt8676_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*

Configuration 41 [-]

AND

cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*

Configuration 42 [-]

AND

cpe:2.3:o:mediatek:mt8695_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8695:-:*:*:*:*:*:*:*

Configuration 43 [-]

AND

cpe:2.3:o:mediatek:mt8696_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8696:-:*:*:*:*:*:*:*

Configuration 44 [-]

AND

cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*

Configuration 45 [-]

AND

cpe:2.3:o:mediatek:mt8788e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8788e:-:*:*:*:*:*:*:*

Configuration 46 [-]

AND

cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*

Configuration 47 [-]

AND

cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*

Configuration 48 [-]

AND

cpe:2.3:o:mediatek:mt8799_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt8799:-:*:*:*:*:*:*:*

No data.

Vendor Product Confidence Versions

Mediatek, Inc.

Mediatek Chipset

100%

Version	Status	Scheme	Platform
`MT2718`	affected	generic	—
`MT6768`	affected	generic	—
`MT6769`	affected	generic	—
`MT6781`	affected	generic	—
`MT6789`	affected	generic	—
`MT6833`	affected	generic	—
`MT6835`	affected	generic	—
`MT6853`	affected	generic	—
`MT6855`	affected	generic	—
`MT6858`	affected	generic	—
`MT6877`	affected	generic	—
`MT6878`	affected	generic	—
`MT6879`	affected	generic	—
`MT6881`	affected	generic	—
`MT6883`	affected	generic	—
`MT6885`	affected	generic	—
`MT6886`	affected	generic	—
`MT6889`	affected	generic	—
`MT6893`	affected	generic	—
`MT6895`	affected	generic	—
`MT6897`	affected	generic	—
`MT6899`	affected	generic	—
`MT6983`	affected	generic	—
`MT6985`	affected	generic	—
`MT6989`	affected	generic	—
`MT6991`	affected	generic	—
`MT6993`	affected	generic	—
`MT8126`	affected	generic	—
`MT8171`	affected	generic	—
`MT8186`	affected	generic	—
`MT8188`	affected	generic	—
`MT8189`	affected	generic	—
`MT8195`	affected	generic	—
`MT8196`	affected	generic	—
`MT8367`	affected	generic	—
`MT8391`	affected	generic	—
`MT8395`	affected	generic	—
`MT8668`	affected	generic	—
`MT8676`	affected	generic	—
`MT8678`	affected	generic	—
`MT8695`	affected	generic	—
`MT8696`	affected	generic	—
`MT8781`	affected	generic	—
`MT8788E`	affected	generic	—
`MT8792`	affected	generic	—
`MT8793`	affected	generic	—
`MT8799`	affected	generic	—
`MT8910`	affected	generic	—

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00133.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://www.mediatek.com/product-security-bulletin/October-2026

History

Thu, 08 Oct 2026 16:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Mediatek Mediatek mt2718 Mediatek mt2718 Firmware Mediatek mt6768 Mediatek mt6768 Firmware Mediatek mt6769 Mediatek mt6769 Firmware Mediatek mt6781 Mediatek mt6781 Firmware Mediatek mt6789 Mediatek mt6789 Firmware Mediatek mt6833 Mediatek mt6833 Firmware Mediatek mt6835 Mediatek mt6835 Firmware Mediatek mt6853 Mediatek mt6853 Firmware Mediatek mt6855 Mediatek mt6855 Firmware Mediatek mt6858 Mediatek mt6858 Firmware Mediatek mt6877 Mediatek mt6877 Firmware Mediatek mt6878 Mediatek mt6878 Firmware Mediatek mt6879 Mediatek mt6879 Firmware Mediatek mt6881 Mediatek mt6881 Firmware Mediatek mt6883 Mediatek mt6883 Firmware Mediatek mt6885 Mediatek mt6885 Firmware Mediatek mt6886 Mediatek mt6886 Firmware Mediatek mt6889 Mediatek mt6889 Firmware Mediatek mt6893 Mediatek mt6893 Firmware Mediatek mt6895 Mediatek mt6895 Firmware Mediatek mt6897 Mediatek mt6897 Firmware Mediatek mt6899 Mediatek mt6899 Firmware Mediatek mt6983 Mediatek mt6983 Firmware Mediatek mt6985 Mediatek mt6985 Firmware Mediatek mt6989 Mediatek mt6989 Firmware Mediatek mt6991 Mediatek mt6991 Firmware Mediatek mt6993 Mediatek mt6993 Firmware Mediatek mt8126 Mediatek mt8126 Firmware Mediatek mt8171 Mediatek mt8171 Firmware Mediatek mt8186 Mediatek mt8186 Firmware Mediatek mt8188 Mediatek mt8188 Firmware Mediatek mt8189 Mediatek mt8189 Firmware Mediatek mt8195 Mediatek mt8195 Firmware Mediatek mt8196 Mediatek mt8196 Firmware Mediatek mt8367 Mediatek mt8367 Firmware Mediatek mt8391 Mediatek mt8391 Firmware Mediatek mt8395 Mediatek mt8395 Firmware Mediatek mt8668 Mediatek mt8668 Firmware Mediatek mt8676 Mediatek mt8676 Firmware Mediatek mt8678 Mediatek mt8678 Firmware Mediatek mt8695 Mediatek mt8695 Firmware Mediatek mt8696 Mediatek mt8696 Firmware Mediatek mt8781 Mediatek mt8781 Firmware Mediatek mt8788e Mediatek mt8788e Firmware Mediatek mt8792 Mediatek mt8792 Firmware Mediatek mt8793 Mediatek mt8793 Firmware Mediatek mt8799 Mediatek mt8799 Firmware Mediatek mt8910 Mediatek mt8910 Firmware
CPEs		cpe:2.3:h:mediatek:mt2718:-:::::::* cpe:2.3:h:mediatek:mt6768:-:::::::* cpe:2.3:h:mediatek:mt6769:-:::::::* cpe:2.3:h:mediatek:mt6781:-:::::::* cpe:2.3:h:mediatek:mt6789:-:::::::* cpe:2.3:h:mediatek:mt6833:-:::::::* cpe:2.3:h:mediatek:mt6835:-:::::::* cpe:2.3:h:mediatek:mt6853:-:::::::* cpe:2.3:h:mediatek:mt6855:-:::::::* cpe:2.3:h:mediatek:mt6858:-:::::::* cpe:2.3:h:mediatek:mt6877:-:::::::* cpe:2.3:h:mediatek:mt6878:-:::::::* cpe:2.3:h:mediatek:mt6879:-:::::::* cpe:2.3:h:mediatek:mt6881:-:::::::* cpe:2.3:h:mediatek:mt6883:-:::::::* cpe:2.3:h:mediatek:mt6885:-:::::::* cpe:2.3:h:mediatek:mt6886:-:::::::* cpe:2.3:h:mediatek:mt6889:-:::::::* cpe:2.3:h:mediatek:mt6893:-:::::::* cpe:2.3:h:mediatek:mt6895:-:::::::* cpe:2.3:h:mediatek:mt6897:-:::::::* cpe:2.3:h:mediatek:mt6899:-:::::::* cpe:2.3:h:mediatek:mt6983:-:::::::* cpe:2.3:h:mediatek:mt6985:-:::::::* cpe:2.3:h:mediatek:mt6989:-:::::::* cpe:2.3:h:mediatek:mt6991:-:::::::* cpe:2.3:h:mediatek:mt6993:-:::::::* cpe:2.3:h:mediatek:mt8126:-:::::::* cpe:2.3:h:mediatek:mt8171:-:::::::* cpe:2.3:h:mediatek:mt8186:-:::::::* cpe:2.3:h:mediatek:mt8188:-:::::::* cpe:2.3:h:mediatek:mt8189:-:::::::* cpe:2.3:h:mediatek:mt8195:-:::::::* cpe:2.3:h:mediatek:mt8196:-:::::::* cpe:2.3:h:mediatek:mt8367:-:::::::* cpe:2.3:h:mediatek:mt8391:-:::::::* cpe:2.3:h:mediatek:mt8395:-:::::::* cpe:2.3:h:mediatek:mt8668:-:::::::* cpe:2.3:h:mediatek:mt8676:-:::::::* cpe:2.3:h:mediatek:mt8678:-:::::::* cpe:2.3:h:mediatek:mt8695:-:::::::* cpe:2.3:h:mediatek:mt8696:-:::::::* cpe:2.3:h:mediatek:mt8781:-:::::::* cpe:2.3:h:mediatek:mt8788e:-:::::::* cpe:2.3:h:mediatek:mt8792:-:::::::* cpe:2.3:h:mediatek:mt8793:-:::::::* cpe:2.3:h:mediatek:mt8799:-:::::::* cpe:2.3:h:mediatek:mt8910:-:::::::* cpe:2.3:o:mediatek:mt2718_firmware:-:::::::* cpe:2.3:o:mediatek:mt6768_firmware:-:::::::* cpe:2.3:o:mediatek:mt6769_firmware:-:::::::* cpe:2.3:o:mediatek:mt6781_firmware:-:::::::* cpe:2.3:o:mediatek:mt6789_firmware:-:::::::* cpe:2.3:o:mediatek:mt6833_firmware:-:::::::* cpe:2.3:o:mediatek:mt6835_firmware:-:::::::* cpe:2.3:o:mediatek:mt6853_firmware:-:::::::* cpe:2.3:o:mediatek:mt6855_firmware:-:::::::* cpe:2.3:o:mediatek:mt6858_firmware:-:::::::* cpe:2.3:o:mediatek:mt6877_firmware:-:::::::* cpe:2.3:o:mediatek:mt6878_firmware:-:::::::* cpe:2.3:o:mediatek:mt6879_firmware:-:::::::* cpe:2.3:o:mediatek:mt6881_firmware:-:::::::* cpe:2.3:o:mediatek:mt6883_firmware:-:::::::* cpe:2.3:o:mediatek:mt6885_firmware:-:::::::* cpe:2.3:o:mediatek:mt6886_firmware:-:::::::* cpe:2.3:o:mediatek:mt6889_firmware:-:::::::* cpe:2.3:o:mediatek:mt6893_firmware:-:::::::* cpe:2.3:o:mediatek:mt6895_firmware:-:::::::* cpe:2.3:o:mediatek:mt6897_firmware:-:::::::* cpe:2.3:o:mediatek:mt6899_firmware:-:::::::* cpe:2.3:o:mediatek:mt6983_firmware:-:::::::* cpe:2.3:o:mediatek:mt6985_firmware:-:::::::* cpe:2.3:o:mediatek:mt6989_firmware:-:::::::* cpe:2.3:o:mediatek:mt6991_firmware:-:::::::* cpe:2.3:o:mediatek:mt6993_firmware:-:::::::* cpe:2.3:o:mediatek:mt8126_firmware:-:::::::* cpe:2.3:o:mediatek:mt8171_firmware:-:::::::* cpe:2.3:o:mediatek:mt8186_firmware:-:::::::* cpe:2.3:o:mediatek:mt8188_firmware:-:::::::* cpe:2.3:o:mediatek:mt8189_firmware:-:::::::* cpe:2.3:o:mediatek:mt8195_firmware:-:::::::* cpe:2.3:o:mediatek:mt8196_firmware:-:::::::* cpe:2.3:o:mediatek:mt8367_firmware:-:::::::* cpe:2.3:o:mediatek:mt8391_firmware:-:::::::* cpe:2.3:o:mediatek:mt8395_firmware:-:::::::* cpe:2.3:o:mediatek:mt8668_firmware:-:::::::* cpe:2.3:o:mediatek:mt8676_firmware:-:::::::* cpe:2.3:o:mediatek:mt8678_firmware:-:::::::* cpe:2.3:o:mediatek:mt8695_firmware:-:::::::* cpe:2.3:o:mediatek:mt8696_firmware:-:::::::* cpe:2.3:o:mediatek:mt8781_firmware:-:::::::* cpe:2.3:o:mediatek:mt8788e_firmware:-:::::::* cpe:2.3:o:mediatek:mt8792_firmware:-:::::::* cpe:2.3:o:mediatek:mt8793_firmware:-:::::::* cpe:2.3:o:mediatek:mt8799_firmware:-:::::::* cpe:2.3:o:mediatek:mt8910_firmware:-:::::::*
Vendors & Products		Mediatek Mediatek mt2718 Mediatek mt2718 Firmware Mediatek mt6768 Mediatek mt6768 Firmware Mediatek mt6769 Mediatek mt6769 Firmware Mediatek mt6781 Mediatek mt6781 Firmware Mediatek mt6789 Mediatek mt6789 Firmware Mediatek mt6833 Mediatek mt6833 Firmware Mediatek mt6835 Mediatek mt6835 Firmware Mediatek mt6853 Mediatek mt6853 Firmware Mediatek mt6855 Mediatek mt6855 Firmware Mediatek mt6858 Mediatek mt6858 Firmware Mediatek mt6877 Mediatek mt6877 Firmware Mediatek mt6878 Mediatek mt6878 Firmware Mediatek mt6879 Mediatek mt6879 Firmware Mediatek mt6881 Mediatek mt6881 Firmware Mediatek mt6883 Mediatek mt6883 Firmware Mediatek mt6885 Mediatek mt6885 Firmware Mediatek mt6886 Mediatek mt6886 Firmware Mediatek mt6889 Mediatek mt6889 Firmware Mediatek mt6893 Mediatek mt6893 Firmware Mediatek mt6895 Mediatek mt6895 Firmware Mediatek mt6897 Mediatek mt6897 Firmware Mediatek mt6899 Mediatek mt6899 Firmware Mediatek mt6983 Mediatek mt6983 Firmware Mediatek mt6985 Mediatek mt6985 Firmware Mediatek mt6989 Mediatek mt6989 Firmware Mediatek mt6991 Mediatek mt6991 Firmware Mediatek mt6993 Mediatek mt6993 Firmware Mediatek mt8126 Mediatek mt8126 Firmware Mediatek mt8171 Mediatek mt8171 Firmware Mediatek mt8186 Mediatek mt8186 Firmware Mediatek mt8188 Mediatek mt8188 Firmware Mediatek mt8189 Mediatek mt8189 Firmware Mediatek mt8195 Mediatek mt8195 Firmware Mediatek mt8196 Mediatek mt8196 Firmware Mediatek mt8367 Mediatek mt8367 Firmware Mediatek mt8391 Mediatek mt8391 Firmware Mediatek mt8395 Mediatek mt8395 Firmware Mediatek mt8668 Mediatek mt8668 Firmware Mediatek mt8676 Mediatek mt8676 Firmware Mediatek mt8678 Mediatek mt8678 Firmware Mediatek mt8695 Mediatek mt8695 Firmware Mediatek mt8696 Mediatek mt8696 Firmware Mediatek mt8781 Mediatek mt8781 Firmware Mediatek mt8788e Mediatek mt8788e Firmware Mediatek mt8792 Mediatek mt8792 Firmware Mediatek mt8793 Mediatek mt8793 Firmware Mediatek mt8799 Mediatek mt8799 Firmware Mediatek mt8910 Mediatek mt8910 Firmware

Mon, 05 Oct 2026 13:15:00 +0000

Type	Values Removed	Values Added
Title	Video HAL missing bounds check leads to local privilege escalation in MediaTek chipset

Mon, 05 Oct 2026 11:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mon, 05 Oct 2026 07:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Mediatek, Inc. Mediatek, Inc. mediatek Chipset
Vendors & Products		Mediatek, Inc. Mediatek, Inc. mediatek Chipset

Mon, 05 Oct 2026 04:45:00 +0000

Type	Values Removed	Values Added
Title		Video HAL missing bounds check leads to local privilege escalation in MediaTek chipset

Mon, 05 Oct 2026 02:15:00 +0000

Type	Values Removed	Values Added
Description		In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11375674; Issue ID: MSV-9571.
Weaknesses		CWE-121
References		https://www.mediatek.com/product-security-bulletin/October-2026

Subscriptions

Mediatek Mt2718 Mt2718 Firmware Mt6768 Mt6768 Firmware Mt6769 Mt6769 Firmware Mt6781 Mt6781 Firmware Mt6789 Mt6789 Firmware Mt6833 Mt6833 Firmware Mt6835 Mt6835 Firmware Mt6853 Mt6853 Firmware Mt6855 Mt6855 Firmware Mt6858 Mt6858 Firmware Mt6877 Mt6877 Firmware Mt6878 Mt6878 Firmware Mt6879 Mt6879 Firmware Mt6881 Mt6881 Firmware Mt6883 Mt6883 Firmware Mt6885 Mt6885 Firmware Mt6886 Mt6886 Firmware Mt6889 Mt6889 Firmware Mt6893 Mt6893 Firmware Mt6895 Mt6895 Firmware Mt6897 Mt6897 Firmware Mt6899 Mt6899 Firmware Mt6983 Mt6983 Firmware Mt6985 Mt6985 Firmware Mt6989 Mt6989 Firmware Mt6991 Mt6991 Firmware Mt6993 Mt6993 Firmware Mt8126 Mt8126 Firmware Mt8171 Mt8171 Firmware Mt8186 Mt8186 Firmware Mt8188 Mt8188 Firmware Mt8189 Mt8189 Firmware Mt8195 Mt8195 Firmware Mt8196 Mt8196 Firmware Mt8367 Mt8367 Firmware Mt8391 Mt8391 Firmware Mt8395 Mt8395 Firmware Mt8668 Mt8668 Firmware Mt8676 Mt8676 Firmware Mt8678 Mt8678 Firmware Mt8695 Mt8695 Firmware Mt8696 Mt8696 Firmware Mt8781 Mt8781 Firmware Mt8788e Mt8788e Firmware Mt8792 Mt8792 Firmware Mt8793 Mt8793 Firmware Mt8799 Mt8799 Firmware Mt8910 Mt8910 Firmware

Mediatek, Inc. Mediatek Chipset

MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-10-05T01:39:48.809Z

Updated: 2026-10-06T03:55:51.635Z

Reserved: 2025-11-03T01:30:59.032Z

Link: CVE-2026-20521

Vulnrichment

Updated: 2026-10-05T10:40:26.235Z

NVD

Status : Analyzed

Published: 2026-10-05T02:16:50.660

Modified: 2026-10-08T15:46:51.303

Link: CVE-2026-20521

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-10-05T13:00:17Z

Weaknesses

CWE-121

Tracking

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact total

Subscriptions

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