CVE-2026-62823

Description

Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over an adjacent network.

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Produits concernés

• 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

Scores CVSS

Faiblesses (CWE)

• CWE-122

Références

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62823 Vendor Advisory

Ailleurs

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