CVE-2026-20436

MEDIUM

wlan STA driver - Privilege Escalation

Title source: llm
STIX 2.1

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 if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00473802; Issue ID: MSV-5970.

Scores

CVSS v3 6.7
EPSS 0.0002
EPSS Percentile 4.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-120
Status published
Products (15)
mediatek/nbiot_sdk < 3.8
MediaTek, Inc./MediaTek chipset MT7902
MediaTek, Inc./MediaTek chipset MT7920
MediaTek, Inc./MediaTek chipset MT7921
MediaTek, Inc./MediaTek chipset MT7922
MediaTek, Inc./MediaTek chipset MT7925
MediaTek, Inc./MediaTek chipset MT7927
MediaTek, Inc./MediaTek chipset MT8696
MediaTek, Inc./MT7902 WCNCR00473802
MediaTek, Inc./MT7920 WCNCR00473802
... and 5 more
Published Mar 02, 2026
Tracked Since Mar 02, 2026