Microsoft - CVE-2025-54918

Date de publication :

Un défaut de gestion d’authentification dans Windows NTLM permet à un attaquant authentifié, en envoyant des requêtes spécifiquement forgées, d’obtenir les privilèges SYSTEM.

CVE-2025-54918

[Score CVSS v3.1: 8.8]

Informations

La faille est activement exploitée : Non

Un correctif existe : Oui

Une mesure de contournement existe : Non

Risques

Élévation de privilèges

Exploitation

La vulnérabilité exploitée est du type
CWE-287: Improper Authentication

Détails sur l'exploitation
•    Vecteur d'attaque : Réseau
•    Complexité de l'attaque : Faible
•    Privilèges nécessaires pour réaliser l'attaque : Authentification utilisateur simple
•    Interaction d'un utilisateur ayant accès au produit est-elle nécessaire : Non
•    L'exploitation de la faille permet d'obtenir des droits privilégiés : Oui

Preuve de concept
Actuellement, aucune preuve de concept n'est disponible en sources ouvertes.

Systèmes ou composants affectés

Produits Microsoft affectés :

Windows Server 2012 R2 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 (Server Core installation)
Windows Server 2012
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2016 (Server Core installation)
Windows Server 2016
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 for 32-bit Systems
Windows Server 2025
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 24H2 for ARM64-based Systems
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows 11 Version 23H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows Server 2025 (Server Core installation)
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows Server 2022 (Server Core installation)
Windows Server 2022
Windows Server 2019 (Server Core installation)
Windows Server 2019
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems

Solutions ou recommandations

Appliquer les correctifs suivants :

  • Windows Server 2012 R2 (Server Core installation) : [KB5065507]

  • Windows Server 2012 R2 : [KB5065507]

  • Windows Server 2012 (Server Core installation) : [KB5065509]

  • Windows Server 2012 : [KB5065509]

  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) : [KB5065468] [KB5065510]

  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 : [KB5065468] [KB5065510]

  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) : [KB5065508] [KB5065511]

  • Windows Server 2008 for x64-based Systems Service Pack 2 : [KB5065508] [KB5065511]

  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) : [KB5065508] [KB5065511]

  • Windows Server 2008 for 32-bit Systems Service Pack 2 : [KB5065508] [KB5065511]

  • Windows Server 2016 (Server Core installation) : [KB5065427]

  • Windows Server 2016 : [KB5065427]

  • Windows 10 Version 1607 for x64-based Systems : [KB5065427]

  • Windows 10 Version 1607 for 32-bit Systems : [KB5065427]

  • Windows 10 for x64-based Systems : [KB5065430]

  • Windows 10 for 32-bit Systems : [KB5065430]

  • Windows Server 2025 : [KB5065426] [KB5065474]

  • Windows 11 Version 24H2 for x64-based Systems : [KB5065426] [KB5065474]

  • Windows 11 Version 24H2 for ARM64-based Systems : [KB5065426] [KB5065474]

  • Windows Server 2022, 23H2 Edition (Server Core installation) : [KB5065425]

  • Windows 11 Version 23H2 for x64-based Systems : [KB5065431]

  • Windows 11 Version 23H2 for ARM64-based Systems : [KB5065431]

  • Windows Server 2025 (Server Core installation) : [KB5065426] [KB5065474]

  • Windows 10 Version 22H2 for 32-bit Systems : [KB5065429]

  • Windows 10 Version 22H2 for ARM64-based Systems : [KB5065429]

  • Windows 10 Version 22H2 for x64-based Systems : [KB5065429]

  • Windows 11 Version 22H2 for x64-based Systems : [KB5065431]

  • Windows 11 Version 22H2 for ARM64-based Systems : [KB5065431]

  • Windows 10 Version 21H2 for x64-based Systems : [KB5065429]

  • Windows 10 Version 21H2 for ARM64-based Systems : [KB5065429]

  • Windows 10 Version 21H2 for 32-bit Systems : [KB5065429]

  • Windows Server 2022 (Server Core installation) : [KB5065432] [KB5065306]

  • Windows Server 2022 : [KB5065432] [KB5065306]

  • Windows Server 2019 (Server Core installation) : [KB5065428]

  • Windows Server 2019 : [KB5065428]

  • Windows 10 Version 1809 for x64-based Systems : [KB5065428]

  • Windows 10 Version 1809 for 32-bit Systems : [KB5065428]

Des informations complémentaires sont disponibles dans le bulletin de Microsoft.

Liens