CVE-2026-20581: mediatek mt6858_firmware, mediatek mt6881_firmware, mediatek mt6993_firmware

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

In usb, 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: ALPS11411985; Issue ID: MSV-9750.

Affected products (NVD): mediatek mt6858_firmware, mediatek mt6881_firmware, mediatek mt6993_firmware, mediatek mt8188_firmware, mediatek mt8189_firmware, mediatek mt8518s_firmware, mediatek mt8532_firmware, mediatek mt8668_firmware

Weakness: CWE-416

Source: NVD CVE-2026-20581

References

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