CVE-2026-40369

Description

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

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Produits concernés

• Microsoft Windows 11 Version 24H2
• Microsoft Windows 11 Version 25H2
• Microsoft Windows 11 version 26H1
• Microsoft Windows Server 2025
• Microsoft Windows Server 2025 (Server Core installation)
• Microsoft windows 11 24h2
• Microsoft windows 11 25h2
• Microsoft windows 11 26h1

Scores CVSS

Faiblesses (CWE)

• CWE-822

Références

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40369 Vendor Advisory

Ailleurs

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