CVE-2026-62889

Description

Double free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.

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Produits concernés

• Microsoft Windows 10 Version 1607
• Microsoft Windows 10 Version 1809
• Microsoft Windows 10 Version 21H2
• Microsoft Windows 10 Version 22H2
• Microsoft Windows 11 Version 23H2
• Microsoft Windows 11 Version 24H2
• Microsoft Windows 11 Version 25H2
• Microsoft Windows 11 version 26H1
• Microsoft Windows Server 2012
• Microsoft Windows Server 2012 (Server Core installation)
• Microsoft Windows Server 2012 R2
• Microsoft Windows Server 2012 R2 (Server Core installation)
• Microsoft Windows Server 2016
• Microsoft Windows Server 2016 (Server Core installation)
• Microsoft Windows Server 2019
• Microsoft Windows Server 2019 (Server Core installation)
• Microsoft Windows Server 2022
• Microsoft Windows Server 2025
• Microsoft Windows Server 2025 (Server Core installation)
• Microsoft windows 10 1607
• Microsoft windows 10 1809
• Microsoft windows 10 21h2
• Microsoft windows 10 22h2
• Microsoft windows 11 23h2
• Microsoft windows 11 24h2

Scores CVSS

Faiblesses (CWE)

• CWE-415

Références

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62889 PatchVendor Advisory

Ailleurs

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