Memory Corruption Vulnerability in Mediatek USB Products
CVE-2026-20581

Currently unrated

Key Information:

Vendor

MediaTek

Vendor
CVE Published:
2 November 2026

What is CVE-2026-20581?

A vulnerability exists in Mediatek USB implementations that may lead to memory corruption due to a use-after-free error. This issue poses risks of local privilege escalation, should a malicious user already possess system-level privileges. Notably, exploitation of this flaw doesn't require user interaction, emphasizing the critical need for timely patches. Mediatek has identified this vulnerability and provided a fix under Patch ID ALPS11411985, with further details available in their security bulletin.

Affected Version(s)

MediaTek chipset MT6858

MediaTek chipset MT6881

MediaTek chipset MT6993

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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