CVE-2026-70091
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to deny service over a network.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.9
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
- CWE
- CWE-362
- Published
- 2026-09-08
- Last modified
- 2026-09-09
Affected products
- 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)
Weakness type
Related vulnerabilities
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- CVE-2026-87467 — Race condition in Updater in Google Chrome on on Windows prior to 153.0.8010.36 allowed a local...
- CVE-2026-73005 — Windows Authentication Methods Elevation of Privilege Vulnerability