PT-2026-58256 · Microsoft · Windows 11 Version 24H2+4

CVE-2026-55144 · Published 2026-07-14 · Updated 2026-07-14

Mitre

CVSS v3.1

7.1

High

Base vector

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

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

Fix

Weakness Enumeration

CWE-325

Related Identifiers

CVE-2026-55144

Affected Products

Windows 11 Version 24H2

Windows 11 Version 25H2

Windows 11 Version 26H1

Windows Server 2022

Windows Server 2025

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-55144 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55144 · Vendor Advisory