CVE-2026-20408

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

In wlan, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461651; Issue ID: MSV-4758.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122 CWE-787

Affected software

Vendor	Product	Versions
MediaTek, Inc.	MediaTek chipset	MT6890; MT7615; MT7915; MT7916; MT7981; MT7986

References

https://corp.mediatek.com/product-security-bulletin/February-2026Vendor Advisory

Timeline

Published: Feb 2, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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