CVE-2026-20418

CRITICAL

9.8

Description

In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/2/2026

Last Modified2/3/2026

Sourcenvd

Honeypot Sightings0

Affected Products

google:mattermediatek:mt7931mediatek:mt7933

Weaknesses (CWE)

CWE-787

References

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

IOC Correlations

No correlations recorded

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