CVE-2026-83906

Description

Incorrect implementation of authentication algorithm in Windows Shell allows an unauthorized attacker to perform spoofing over a network.

Traduire en français

Produits concernés

• Microsoft Windows 11 Version 23H2
• Microsoft Windows 11 Version 24H2
• Microsoft Windows 11 Version 25H2
• Microsoft Windows 11 version 26H1
• Microsoft Windows 11 Version 26H2
• Microsoft Windows Server 2025
• Microsoft Windows Server 2025 (Server Core installation)

Scores CVSS

Faiblesses (CWE)

• CWE-303

Références

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83906

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories