CVE-2026-78807

HIGH

7.1

CVSS Score

Published: September 11, 2026 at 12:00 AM UTC

Updated: September 22, 2026 at 08:11 PM UTC

1 product affected across 1 vendorWpa Supplicant

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Severity

HIGH7.1

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wpa Supplicant · W1-fi

90%

v < 2.12

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

https://w1.fi/security/2026-2/missing-network-context-validation-for-pmksa-caching.txt

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusAWAITING ANALYSIS

CWE

CWE-346

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