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.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 04 Aug 2026 11:15:00 +0000

Type Values Removed Values Added
Title MediaTek Wi‑Fi Driver Out‑of‑Bounds Write Allows Privilege Escalation

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-08-05T03:56:39.447Z

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

Link: CVE-2026-20465

cve-icon Vulnrichment

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

cve-icon NVD

Status : Received

Published: 2026-08-03T03:16:41.313

Modified: 2026-08-05T05:16:50.137

Link: CVE-2026-20465

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-04T11:00:07Z

Weaknesses