In wlan AP driver, there is a possible out of bounds write due to a missing bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00489200; Issue ID: MSV-7834.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Mediatek, Inc.
  • Mediatek Chipset

No data.

No data.

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

Mon, 03 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

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

Mon, 03 Aug 2026 03:45:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset

Mon, 03 Aug 2026 02:45:00 +0000

Type Values Removed Values Added
Description In wlan AP driver, there is a possible out of bounds write due to a missing bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00489200; Issue ID: MSV-7834.
Weaknesses CWE-122
References
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-08-03T02:05:15.926Z

Updated: 2026-08-03T19:03:07.367Z

Reserved: 2025-11-03T01:30:59.015Z

Link: CVE-2026-20465

cve-icon Vulnrichment

Updated: 2026-08-03T19:02:59.983Z

cve-icon NVD

No data.

cve-icon Redhat

No data.