CVE-2026-88071High· 7.8▾ TwilightDouble free in Windows Hyper-V 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 Oct 15.
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 Hyper-V allows an authorized attacker to elevate privileges locally.
windows_11_23h2 < 10.0.22631.7652windows_11_24h2 < 10.0.26100.9711windows_11_25h2 < 10.0.26200.9711windows_11_26h2 < 10.0.26300.9711windows_server_2022 < 10.0.20348.5761windows_server_2025 < 10.0.26100.33650Upgrade past the affected range:
windows_11_23h2 10.0.22631.7652windows_11_24h2 10.0.26100.9711windows_11_25h2 10.0.26200.9711windows_11_26h2 10.0.26300.9711windows_server_2022 10.0.20348.5761windows_server_2025 10.0.26100.33650Connected 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-2026-26166High· 7.0Double free in Windows Shell 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