Microsoft Cryptographic Services Elevation of Privilege Vulnerability
CVE-2026-44810

8.4HIGH

Key Information:

Vendor: Microsoft
Status: Windows 11 Version 23h2; Windows 11 Version 23h2; Windows 11 Version 24h2; Windows 11 Version 25h2
Vendor: CVE Published:; 9 June 2026

What is CVE-2026-44810?

Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally.

Windows 11 version 23H2 ARM64-based Systems 10.0.22631.0 < 10.0.22631.7219

Windows 11 Version 23H2 x64-based Systems 10.0.22631.0 < 10.0.22631.7219

Windows 11 Version 24H2 ARM64-based Systems 10.0.26100.0 < 10.0.26100.8655

Score:

8.4

Severity:

HIGH

Confidentiality:

High

Integrity:

High

Availability:

High

Attack Vector:

Local

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

None

Scope:

Unchanged

Download the Critical Vulnerability Management Cheat Sheet

CVE-2026-44810 Data