CVE-2026-70091

5.9 Moyenne

Publiée le 08/09/2026 à 20:20 · Modifiée le 25/09/2026 à 01:18 · Analysée par le NVD · Source : secure@microsoft.com

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to deny service over a network.

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Produits concernés

Microsoft Windows 10 Version 1607
Microsoft Windows 10 Version 1809
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

Version	Score	Source	Vecteur
3.1	5.9 Moyenne	secure@microsoft.com	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H`

Faiblesses (CWE)

CWE-362

Références

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70091 PatchVendor Advisory

Ailleurs

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