CVE-2026-83942High· 7.8▾ TwilightMissing authorization in Windows Kernel allows an authorized attacker to elevate privileges locally.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · 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 9.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
Missing authorization in Windows Kernel allows an authorized attacker to elevate privileges locally.
windows_10_1809 < 10.0.17763.9245windows_10_21h2 < 10.0.19044.7725windows_10_22h2 < 10.0.19045.7725windows_11_23h2 < 10.0.22631.7582windows_11_24h2 < 10.0.26100.9445windows_11_25h2 < 10.0.26200.9445windows_11_26h1 < 10.0.28000.2954windows_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_10_21h2 10.0.19044.7725windows_10_22h2 10.0.19045.7725windows_11_23h2 10.0.22631.7582windows_11_24h2 10.0.26100.9445windows_11_25h2 10.0.26200.9445windows_11_26h1 10.0.28000.2954windows_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.
CVE-2026-61936Medium· 5.5Missing authorization in Windows Defender Firewall Service allows an authorized attacker to bypass a security feature locally.
CVE-2026-83991Medium· 5.5Missing authentication for critical function in Windows Cloud Files Mini Filter Driver allows an authorized attacker to perform tampering locally.
CVE-2026-83941Critical· 9.9Missing authorization in Entra ID allows an authorized attacker to elevate privileges over a network.
CVE-2026-80093High· 7.0Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-81354High· 8.2Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.
CVE-2026-78450High· 8.1Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.