CVE-2026-44810

Published: Jun 9, 2026Modified: Jun 11, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

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

Affected (10)

Products: Microsoft: Windows 11 23h2, Windows 11 24h2, Windows 11 25h2, Windows 11 26h1, Windows Server 2022, Windows Server 2025

6 products

Windows 11 23h2

Windows 11 24h2

Windows 11 25h2

Windows 11 26h1

Windows Server 2022

Windows Server 2025

Configuration A

10 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 11 23h2	Before 10.0.22631.7219
Microsoft Windows 11 23h2	Before 10.0.22631.7219
Microsoft Windows 11 24h2	Before 10.0.26100.8655
Microsoft Windows 11 24h2	Before 10.0.26100.8655
Microsoft Windows 11 25h2	Before 10.0.26200.8655
Microsoft Windows 11 25h2	Before 10.0.26200.8655
Microsoft Windows 11 26h1	Before 10.0.28000.2269
Microsoft Windows 11 26h1	Before 10.0.28000.2269
Microsoft Windows Server 2022	Before 10.0.20348.5256
Microsoft Windows Server 2025	Before 10.0.26100.32995

Related CWEs

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44810

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.