Improper Authentication in Microsoft Windows and Windows Server - CVE-2026-44810
Published: June 11, 2026
Vulnerability identifier: #VU134352
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-44810
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to bypass authentication process.
The vulnerability exists due to improper authentication in Microsoft Cryptographic Services. A local attacker can bypass authentication process and gain unauthorized access to the application.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-44810
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.9234, 11 23H2 10.0.22631.7219, 11 24H2 10.0.26100.8655, 11 25H2 10.0.26200.8655, 11 26H1 10.0.28000.2269
Windows Server - addressed in versions 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995
Windows Server - addressed in versions 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995