cbcvebase.
CVE-2026-33824
published 2026-04-14

CVE-2026-33824: Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.

critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.

Affected

13 ranges
VendorProductVersion rangeFixed in
microsoftwindows_10_version_1607>= 10.0.14393.0 < 10.0.14393.906010.0.14393.9060
microsoftwindows_10_version_1809>= 10.0.17763.0 < 10.0.17763.864410.0.17763.8644
microsoftwindows_10_version_21h2>= 10.0.19044.0 < 10.0.19044.718410.0.19044.7184
microsoftwindows_10_version_22h2>= 10.0.19045.0 < 10.0.19045.718410.0.19045.7184
microsoftwindows_11_version_22h3>= 10.0.22631.0 < 10.0.22631.693610.0.22631.6936
microsoftwindows_11_version_23h2>= 10.0.22631.0 < 10.0.22631.693610.0.22631.6936
microsoftwindows_11_version_24h2>= 10.0.26100.0 < 10.0.26100.824610.0.26100.8246
microsoftwindows_11_version_25h2>= 10.0.26200.0 < 10.0.26200.824610.0.26200.8246
microsoftwindows_11_version_26h1>= 10.0.28000.0 < 10.0.28000.183610.0.28000.1836
microsoftwindows_server_2016>= 10.0.14393.0 < 10.0.14393.906010.0.14393.9060
microsoftwindows_server_2019>= 10.0.17763.0 < 10.0.17763.864410.0.17763.8644
microsoftwindows_server_2022>= 10.0.20348.0 < 10.0.20348.502010.0.20348.5020
microsoftwindows_server_2025>= 10.0.26100.0 < 10.0.26100.3269010.0.26100.32690