CVE-2026-20418

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:google:matter:*:*:*:*:*:*:*:*

OR	cpe:2.3:h:mediatek:mt7931:-:::::::*
	cpe:2.3:h:mediatek:mt7933:-:::::::*

History

No history.

Information

Published : 2026-02-02 09:15

Updated : 2026-02-03 21:51

NVD link : CVE-2026-20418

Mitre link : CVE-2026-20418

CVE.ORG link : CVE-2026-20418

JSON object : View

Products Affected

mediatek

mt7931
mt7933

google

matter

CWE

CWE-787

Out-of-bounds Write

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