Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to deny service over a network.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70091 vendor-advisory, patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.9 · microsoftNVD modified 2026-10-26 23:24
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 1
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70091 vendor-advisory, patch