Vulnerability in N/a

CVE-2026-78807

An issue in wpa_supplicant all versions before v.2.12 allows a local attacker to bypass proper network context and AKMP matching for PMKSA caching via missing validation in the driver based PMKSA selection path in wpa.c

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-78807: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: -0.000

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-78807?
CVE-2026-78807 is a high-severity vulnerability in N/a, classified under Origin Validation Error. CVSS score: 7.1/10. Published 2026-09-11.
How severe is CVE-2026-78807?
High severity. CVSS v3 base score is 7.1 out of 10.