In afe, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11431394; Issue ID: MSV-10004.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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
MT6739 affected —
MT6765 affected —
MT6768 affected —
MT6769 affected —
MT6781 affected —
MT6789 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 —
MT8168 affected —
MT8186 affected —
MT8188 affected —
MT8189 affected —
MT8195 affected —
MT8196 affected —
MT8365 affected —
MT8367 affected —
MT8390 affected —
MT8391 affected —
MT8668 affected —
MT8678 affected —
MT8793 affected —

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.mediatek.com/product-security-bulletin/November-2026 cve-icon cve-icon
History

Mon, 02 Nov 2026 04:15:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write Enables Local Privilege Escalation on MediaTek Chipset

Mon, 02 Nov 2026 02:45:00 +0000

Type Values Removed Values Added
Description In afe, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11431394; Issue ID: MSV-10004.
Weaknesses CWE-787
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-11-02T02:33:35.650Z

Reserved: 2025-11-03T01:30:59.046Z

Link: CVE-2026-20567

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-02T03:17:34.087

Modified: 2026-11-02T03:17:34.087

Link: CVE-2026-20567

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-02T04:00:09Z

Weaknesses