CVE-2026-50311High· 7.8▾ TwilightImproper access control in Windows Server allows an authorized attacker to elevate privileges locally.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · 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 Jul 17.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
0.2% → 0.3%
Improper access control in Windows Server allows an authorized attacker to elevate privileges locally.
windows_10_1607 < 10.0.14393.9339windows_10_1809 < 10.0.17763.9020windows_10_21h2 < 10.0.19044.7548windows_10_22h2 < 10.0.19045.7548windows_11_24h2 < 10.0.26100.8875windows_11_25h2 < 10.0.26200.8875windows_11_26h1 < 10.0.28000.2269windows_11_26h1 < 10.0.28000.2525windows_server_2012windows_server_2012 = r2windows_server_2016 < 10.0.14393.9339windows_server_2019 < 10.0.17763.9020windows_server_2022 < 10.0.20348.5386windows_server_2025 < 10.0.26100.33158Upgrade past the affected range:
windows_10_1607 10.0.14393.9339windows_10_1809 10.0.17763.9020windows_10_21h2 10.0.19044.7548windows_10_22h2 10.0.19045.7548windows_11_24h2 10.0.26100.8875windows_11_25h2 10.0.26200.8875windows_11_26h1 10.0.28000.2525windows_server_2016 10.0.14393.9339windows_server_2019 10.0.17763.9020windows_server_2022 10.0.20348.5386windows_server_2025 10.0.26100.33158Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-20839Medium· 5.5Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.
CVE-2026-83944Critical· 10.0Improper access control in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-85880High· 7.8Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.
CVE-2026-85360High· 7.0Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-84001High· 7.5Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.