CVE-2026-78807 wpa_supplicant - Broken Access Control

wpa_supplicant < 2.12 contains a broken access control vulnerability caused by missing validation in the driver-based PMKSA selection path in wpa.c, letting local attackers bypass proper network context and AKMP matching for PMKSA caching, exploit requires local access.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.08% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-346

Vendor fix

Update to version 2.12 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs