CVE-2026-20407

critical · 9.3

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 with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00464377; Issue ID: MSV-4905.

9.3

CVSS

0.2%

EPSS (exploit prob.)

7th

EPSS percentile

2026-02-02

Published

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-787

Affected products

Vendor	Product	Affected versions
mediatek	nbiot_sdk	<= 3.8
mediatek	mt7902	all versions
mediatek	mt7920	all versions
mediatek	mt7921	all versions
mediatek	mt7922	all versions
mediatek	mt7925	all versions
mediatek	mt7927	all versions

Check a specific version with /api/v1/cve/match.

References

https://corp.mediatek.com/product-security-bulletin/February-2026

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-20407