CVE-2026-20591: mediatek mt6993_firmware, mediatek mt8910_firmware

CVSS 8.4 (high) · published 2026-11-02

In GPU pdma, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11365075; Issue ID: MSV-9546.

Affected products (NVD): mediatek mt6993_firmware, mediatek mt8910_firmware

Weakness: CWE-416

Source: NVD CVE-2026-20591

References

• https://www.mediatek.com/product-security-bulletin/November-2026

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