CVE-2026-26166High· 7.0▾ TwilightDouble free in Windows Shell 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 Sep 25.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
Last analysed / modified upstream
Double free in Windows Shell allows an authorized attacker to elevate privileges locally.
windows_11_23h2 < 10.0.22631.6936windows_11_24h2 < 10.0.26100.8246windows_11_25h2 < 10.0.26200.8246windows_11_26h1 < 10.0.28000.1836windows_server_2022 < 10.0.20348.5020windows_server_2022_23h2 < 10.0.25398.2274windows_server_2025 < 10.0.26100.32690Upgrade past the affected range:
windows_11_23h2 10.0.22631.6936windows_11_24h2 10.0.26100.8246windows_11_25h2 10.0.26200.8246windows_11_26h1 10.0.28000.1836windows_server_2022 10.0.20348.5020windows_server_2022_23h2 10.0.25398.2274windows_server_2025 10.0.26100.32690Connected by shared product, vendor, weakness, or advisory.
CVE-2026-97830High· 7.5Double free in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.
CVE-2026-88071High· 7.8Double free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
CVE-2026-26179High· 7.8Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-69322High· 8.0Double free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges over a network.
CVE-2026-20863High· 7.0Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
CVE-2026-83831High· 8.8Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability