CVE-2026-72989High· 7.5▾ TwilightUse of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.2 · 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
0.8%
Last analysed / modified upstream
Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.
windows_10_1809 < 10.0.17763.9245windows_server_2019 < 10.0.17763.9245windows_server_2022 < 10.0.20348.5622windows_server_2025 < 10.0.26100.33438Upgrade past the affected range:
windows_10_1809 10.0.17763.9245windows_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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