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.
History

Tue, 03 Feb 2026 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google matter
Mediatek
Mediatek mt7931
Mediatek mt7933
CPEs cpe:2.3:a:google:matter:*:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7931:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7933:-:*:*:*:*:*:*:*
Vendors & Products Google
Google matter
Mediatek
Mediatek mt7931
Mediatek mt7933

Tue, 03 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Mon, 02 Feb 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 02 Feb 2026 08:30:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-787
References

cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-02-02T08:15:15.670Z

Updated: 2026-02-03T14:54:02.836Z

Reserved: 2025-11-03T01:30:59.009Z

Link: CVE-2026-20418

cve-icon Vulnrichment

Updated: 2026-02-02T13:47:18.296Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-02T09:15:56.853

Modified: 2026-02-03T21:51:35.397

Link: CVE-2026-20418

cve-icon Redhat

No data.