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7.1 High

CVE-2026-55144 Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally

Description

Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.

Affected products and versions

Product Affected versions Fixed in
Windows 11 Version 24H2 10.0 10.0.26100.0 → < 10.0.26100.8875 10.0.26100.8875
Windows 11 Version 25H2 10.0 10.0.26200.0 → < 10.0.26200.8875 10.0.26200.8875
Windows 11 version 26H1 10.0 10.0.28000.0 → < 10.0.28000.2525 10.0.28000.2525
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.5386 10.0.20348.5386
Windows Server 2025 10.0 10.0.26100.0 → < 10.0.26100.33158 10.0.26100.33158
Windows Server 2025 (Server Core installation) 10.0 10.0.26100.0 → < 10.0.26100.33158 10.0.26100.33158
The 3573 CVEs of Windows 11 Version 24H2 →
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