CVE-2026-61936CWE-862broken-access-control

CVE-2026-61936

Medium · published August 11, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
21.8
In the wild
Unconfirmed
What it is

Missing authorization in Windows Defender Firewall Service allows an authorized attacker to bypass a security feature locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00302 · 21.8th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-08-11T21:18Z
Affected products (19)
ProductVersionsFixed in
microsoft/windows_10_1809< 10.0.17763.911510.0.17763.9115
microsoft/windows_10_1809< 10.0.17763.911510.0.17763.9115
microsoft/windows_10_21h2< 10.0.19044.766310.0.19044.7663
microsoft/windows_10_21h2< 10.0.19044.766310.0.19044.7663
microsoft/windows_10_21h2< 10.0.19044.766310.0.19044.7663
microsoft/windows_10_22h2< 10.0.19045.766310.0.19045.7663
microsoft/windows_10_22h2< 10.0.19045.766310.0.19045.7663
microsoft/windows_10_22h2< 10.0.19045.766310.0.19045.7663
microsoft/windows_11_23h2< 10.0.22631.751710.0.22631.7517
microsoft/windows_11_23h2< 10.0.22631.751710.0.22631.7517
microsoft/windows_11_24h2< 10.0.26100.910610.0.26100.9106
microsoft/windows_11_24h2< 10.0.26100.910610.0.26100.9106
microsoft/windows_11_25h2< 10.0.26200.910610.0.26200.9106
microsoft/windows_11_25h2< 10.0.26200.910610.0.26200.9106
microsoft/windows_11_26h1< 10.0.28000.270410.0.28000.2704
microsoft/windows_11_26h1< 10.0.28000.270410.0.28000.2704
microsoft/windows_server_2019< 10.0.17763.911510.0.17763.9115
microsoft/windows_server_2022< 10.0.20348.544010.0.20348.5440
microsoft/windows_server_2025< 10.0.26100.3322210.0.26100.33222
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61936 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:04Z
    Windows Defender Firewall Service Security Feature Bypass Vulnerability
    cvelistv5