Veille CVE
CVE-2025-21333
7.8 Élevée Exploitée activementCatalogue CISA KEV — Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability
Ajoutée le 14/01/2025 · Échéance de correction (agences US) : 04/02/2025
Action requise : Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Produits concernés
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 11 version 22H3
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
- Microsoft windows 10 21h2
- Microsoft windows 10 22h2
- Microsoft windows 11 22h2
- Microsoft windows 11 23h2
- Microsoft windows 11 24h2
- Microsoft windows server 2022 23h2
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.8 Élevée | secure@microsoft.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333 PatchVendor Advisory
- https://www.exploit-db.com/exploits/52436 ExploitThird Party AdvisoryVDB Entry
- https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-script MitigationThird Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-script MitigationThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21333 US Government Resource