by Kastro
Paper/Archive/CVE-2026-33824

CVE-2026-33824

Microsoft Windows 10 Version 1607 — Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability

KEV · due 21 AugEPSS 77%public exploitSSVC actCVSS 9.8
critical.is priorityof 100
99
CVSS 9.8 (CNA)9.8 / 10 × 3029.4In CISA KEV+3030.0EPSS percentile 99.6.996 × 2019.9Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.

Affected

ProductAffectedFixed inSource
Windows 10 Version 160710.0.14393.0 – < 10.0.14393.906010.0.14393.9060CNA
Windows 10 Version 180910.0.17763.0 – < 10.0.17763.864410.0.17763.8644CNA
Windows 10 Version 21H210.0.19044.0 – < 10.0.19044.718410.0.19044.7184CNA
Windows 10 Version 22H210.0.19045.0 – < 10.0.19045.718410.0.19045.7184CNA
Windows 11 version 23H210.0.22631.0 – < 10.0.22631.693610.0.22631.6936CNA
Windows 11 Version 23H210.0.22631.0 – < 10.0.22631.693610.0.22631.6936CNA
Windows 11 Version 24H210.0.26100.0 – < 10.0.26100.824610.0.26100.8246CNA
Windows 11 Version 25H210.0.26200.0 – < 10.0.26200.824610.0.26200.8246CNA
Windows 11 version 26H110.0.28000.0 – < 10.0.28000.183610.0.28000.1836CNA
Windows Server 201610.0.14393.0 – < 10.0.14393.906010.0.14393.9060CNA
Windows Server 2016 (Server Core installation)10.0.14393.0 – < 10.0.14393.906010.0.14393.9060CNA
Windows Server 201910.0.17763.0 – < 10.0.17763.864410.0.17763.8644CNA

Scores by source

microsoft (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-33824writeupunit42.paloaltonetworks.com/autonomous-ai-cyber-attack-campaignrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-33824kevcisa.gov/known-exploited-vulnerabilities-catalog