In wlan STA driver, there is a possible escalation of privilege 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: WCNCR00464377; Issue ID: MSV-4905.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Mediatek
  • Mt7902
  • Mt7920
  • Mt7921
  • Mt7922
  • Mt7925
  • Mt7927
  • Nbiot Sdk
Mediatk
  • Mt7902
  • Mt7920
  • Mt7921
  • Mt7922
  • Mt7925
  • Mt7927

Configuration 1 [-]

AND
cpe:2.3:a:mediatek:nbiot_sdk:*:*:*:*:*:*:*:*
OR cpe:2.3:h:mediatek:mt7902:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7920:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7921:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7922:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7925:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7927:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://corp.mediatek.com/product-security-bulletin/February-2026 cve-icon cve-icon
History

Wed, 04 Feb 2026 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt7902
Mediatek mt7920
Mediatek mt7921
Mediatek mt7922
Mediatek mt7925
Mediatek mt7927
Mediatek nbiot Sdk
CPEs cpe:2.3:a:mediatek:nbiot_sdk:*:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7902:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7920:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7921:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7922:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7925:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7927:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt7902
Mediatek mt7920
Mediatek mt7921
Mediatek mt7922
Mediatek mt7925
Mediatek mt7927
Mediatek nbiot Sdk

Wed, 04 Feb 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Mediatk
Mediatk mt7902
Mediatk mt7920
Mediatk mt7921
Mediatk mt7922
Mediatk mt7925
Mediatk mt7927
Vendors & Products Mediatk
Mediatk mt7902
Mediatk mt7920
Mediatk mt7921
Mediatk mt7922
Mediatk mt7925
Mediatk mt7927

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

Type Values Removed Values Added
Metrics cvssV3_1

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

 cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

Mon, 02 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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 wlan STA driver, there is a possible escalation of privilege 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: WCNCR00464377; Issue ID: MSV-4905.
Weaknesses CWE-787
References
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-02-02T08:14:54.752Z

Updated: 2026-02-03T14:54:47.991Z

Reserved: 2025-11-03T01:30:59.007Z

Link: CVE-2026-20407

cve-icon Vulnrichment

Updated: 2026-02-02T18:59:13.150Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-02T09:15:55.520

Modified: 2026-02-04T13:50:50.817

Link: CVE-2026-20407

cve-icon Redhat

No data.