CVE-2026-70091Medium· 5.9▾ SunlitConcurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to deny service over a network.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 32.5 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.7%
Last analysed / modified upstream
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to deny service over a network.
windows_10_1607 < 10.0.14393.9512windows_10_1809 < 10.0.17763.9245windows_server_2012windows_server_2012 = r2windows_server_2016 < 10.0.14393.9512windows_server_2019 < 10.0.17763.9245windows_server_2022 < 10.0.20348.5622windows_server_2025 < 10.0.26100.33438Upgrade past the affected range:
windows_10_1607 10.0.14393.9512windows_10_1809 10.0.17763.9245windows_server_2016 10.0.14393.9512windows_server_2019 10.0.17763.9245windows_server_2022 10.0.20348.5622windows_server_2025 10.0.26100.33438Connected by shared product, vendor, weakness, or advisory.
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