CVE-2026-20571: mediatek mt6781_firmware, mediatek mt6789_firmware, mediatek mt6835_firmware

CVSS 6.7 (medium) · published 2026-11-02

In afe, there is a possible memory corruption due to use after free. 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: ALPS11434319; Issue ID: MSV-9925.

Affected products (NVD): mediatek mt6781_firmware, mediatek mt6789_firmware, mediatek mt6835_firmware, mediatek mt6853_firmware, mediatek mt6855_firmware, mediatek mt6858_firmware, mediatek mt6877_firmware, mediatek mt6878_firmware, mediatek mt6879_firmware, mediatek mt6881_firmware, mediatek mt6883_firmware, mediatek mt6885_firmware, mediatek mt6886_firmware, mediatek mt6889_firmware, mediatek mt6893_firmware, mediatek mt6895_firmware, mediatek mt6897_firmware, mediatek mt6899_firmware, mediatek mt6983_firmware, mediatek mt6985_firmware

Weakness: CWE-843

Source: NVD CVE-2026-20571

References

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