CVE-2026-20465
Received Received - Intake

Out of Bounds Write in WLAN AP Driver

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: MediaTek, Inc.

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
CVE-2026-20465
EUVD
EUVD-2026-52055

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mediatek wlan_ap_driver *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a vulnerability in the MediaTek WLAN AP driver where a missing bounds check can lead to an out of bounds write. This flaw could allow an attacker within proximity to escalate privileges remotely without needing additional execution rights or user interaction.

Impact Analysis

If exploited, this vulnerability could allow an attacker to gain higher privileges on your device through a nearby network connection. This might enable unauthorized access or control over your system without needing physical access or user interaction.

Compliance Impact

The vulnerability is a potential out-of-bounds write in the wlan AP driver due to missing bounds checks, which could lead to remote privilege escalation. However, the provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA.

Mitigation Strategies

Apply the patch identified as WCNCR00489200 to the mediatek wlan_ap_driver to address the missing bounds check. Ensure the driver is updated to the latest version provided by the vendor.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-20465. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart