Veille CVE
CVE-2026-83856
8.1 ÉlevéeDescription
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
Produits concernés
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows 11 version 26H1
- Microsoft Windows 11 Version 26H2
- Microsoft Windows Server 2022
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
- Microsoft windows 11 23h2
- Microsoft windows 11 24h2
- Microsoft windows 11 25h2
- Microsoft windows 11 26h1
- Microsoft windows 11 26h2
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.5 Élevée | secure@microsoft.com | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | 8.1 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83856 PatchVendor Advisory