CVE-2026-85920High· 7.0▾ TwilightTime-of-check time-of-use (toctou) race condition in Windows BitLocker allows an authorized attacker to elevate privileges locally.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 38.5 · 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 Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
Time-of-check time-of-use (toctou) race condition in Windows BitLocker allows an authorized attacker to elevate privileges locally.
windows_10_1607 < 10.0.14393.9612windows_10_1809 < 10.0.17763.9376windows_10_21h2 < 10.0.19044.7807windows_10_22h2 < 10.0.19045.7807windows_11_23h2 < 10.0.22631.7652windows_11_24h2 < 10.0.26100.9711windows_11_25h2 < 10.0.26200.9711windows_11_26h1 < 10.0.28000.3231windows_11_26h2 < 10.0.26300.9711windows_server_2012windows_server_2012 = r2windows_server_2016 < 10.0.14393.9612windows_server_2019 < 10.0.17763.9376windows_server_2022 < 10.0.20348.5761windows_server_2025 < 10.0.26100.33650Upgrade past the affected range:
windows_10_1607 10.0.14393.9612windows_10_1809 10.0.17763.9376windows_10_21h2 10.0.19044.7807windows_10_22h2 10.0.19045.7807windows_11_23h2 10.0.22631.7652windows_11_24h2 10.0.26100.9711windows_11_25h2 10.0.26200.9711windows_11_26h1 10.0.28000.3231windows_11_26h2 10.0.26300.9711windows_server_2016 10.0.14393.9612windows_server_2019 10.0.17763.9376windows_server_2022 10.0.20348.5761windows_server_2025 10.0.26100.33650Connected by shared product, vendor, weakness, or advisory.
CVE-2026-27929High· 7.0Time-of-check time-of-use (toctou) race condition in Windows LUAFV allows an authorized attacker to elevate privileges locally.
CVE-2026-20831High· 7.8Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-20816High· 7.8Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-20809High· 7.8Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.
CVE-2026-97844Medium· 6.5Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
CVE-2026-97843Medium· 6.5Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.