# 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

CVE-2026-78807 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-78807, released September 11, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-78807
- Priority: High
- CVSS: 7.1 (Important)
- EPSS: 0.0008
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 11, 2026
- Weakness: Origin Validation Error
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78807

## 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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | wpa Debian 14 | 2:2.11-4 | [DEBIAN-CVE-2026-78807](https://patchblox.com/security/data/fix/linux/debian-cve-2026-78807.md) | Sep 11, 2026 |
| Linux | wpa_supplicant opensuse-leap 16.0 | 2.11-160000.5.1 | [OPENSUSE-SU-2026:22022-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22022-1.md) | Oct 5, 2026 |
| Linux | wpa_supplicant sles 15.6 | 2.10-150600.7.11.1 | [SUSE-SU-2026:4492-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4492-1.md) | Oct 5, 2026 |
| Linux | wpa_supplicant sles 15.7 | 2.11-150700.3.6.1 | [SUSE-SU-2026:4588-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4588-1.md) | Nov 7, 2026 |
| Linux | wpa_supplicant sles 16.0 | 2.11-160000.5.1 | [SUSE-SU-2026:24144-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24144-1.md) | Oct 5, 2026 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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