CVE-2026-20423

HIGH

7.8

Description

In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/2/2026

Last Modified3/3/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mediatek:mt7902mediatek:mt7920mediatek:mt7921mediatek:mt7922mediatek:mt7925mediatek:mt7927mediatek:nbiot_sdk

Weaknesses (CWE)

CWE-749CWE-787

References

https://corp.mediatek.com/product-security-bulletin/March-2026(security@mediatek.com)

IOC Correlations

No correlations recorded

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