What is CVE-2026-33824?
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
Timeline
- 2026-04-14Published to the U.S. National Vulnerability Database (NVD)
- 2026-08-18Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-08-19NVD record last updated
- 2026-08-21CISA federal remediation deadline (BOD 22-01)
CISA Known Exploited Vulnerability
Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability
Affected product
Microsoft Internet Key Exchange (IKE) Service Extensions
NVD also lists CPE entries for: Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2
Remediation Steps
- Check CISA's Known Exploited Vulnerabilities catalog for vendor-specific patch availability
- Apply vendor patch immediately upon availability
- Monitor for exploitation attempts in audit logs
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33824
- https://unit42.paloaltonetworks.com/autonomous-ai-cyber-attack-campaign/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-33824
- https://nvd.nist.gov/vuln/detail/CVE-2026-33824
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 3 of August 2026 (August 17 – 23)
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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.