CVE-2026-20418

critical · 9.8

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.

9.8

CVSS

0.3%

EPSS (exploit prob.)

28th

EPSS percentile

2026-02-02

Published

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

Weaknesses

CWE-787

Affected products

Vendor	Product	Affected versions
google	matter	<= 1.4
mediatek	mt7931	all versions
mediatek	mt7933	all versions

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-20418