Overview
CVE-2026-33824 has been added to the CISA Known Exploited Vulnerabilities catalog. Published on April 14, 2026. Threat actors are actively exploiting this vulnerability in real-world attacks.
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
Threat Intelligence
| Metric | Value |
|---|---|
| CVE ID | CVE-2026-33824 |
| Severity | HIGH |
| CVSS Score | 0.0/10 |
| CISA KEV | ✅ Yes — Actively Exploited |
| KEV Date Added | August 18, 2026 |
| Remediation Deadline | August 21, 2026 |
| EPSS Score | 1.6% exploit probability |
| EPSS Percentile | Top 99% of all CVEs |
Why This Matters
This vulnerability has been added to the CISA Known Exploited Vulnerabilities (KEV) catalog, which means threat actors are actively exploiting it in real-world attacks.
Federal agencies are required to remediate by August 21, 2026. All organizations should treat this deadline as a strong recommendation.
Recommended Actions
- Verify exposure — Determine if your environment uses the affected software.
- Apply patches — Update to the latest version as soon as a fix is available.
- Monitor for compromise — Check logs for unusual activity.
- Meet the deadline — CISA recommends remediation by August 21, 2026.
References
CVE data aggregated from the National Vulnerability Database (NVD), CISA Known Exploited Vulnerabilities catalog, and FIRST EPSS. Analysis updated as new intelligence becomes available. Last updated: 2026-08-19.