CVE-2026-20423

Published Mar 2, 2026

Last updated 9 days ago

Overview

Description
In wlan STA driver, there is a possible out of bounds write 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: WCNCR00465314; Issue ID: MSV-4956.
Source
security@mediatek.com
NVD status
Modified
Products
nbiot_sdk

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.8
Impact score
5.9
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

security@mediatek.com
CWE-749
nvd@nist.gov
CWE-787

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.