Occurred Aug 18, 2026, 12:00:00 AM UTC

First published Oct 27, 2026, 8:22:15 PM UTC · Last updated Oct 27, 2026, 8:22:15 PM UTC

CVE-2026-33824: Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability

Reported by CISA Known Exploited Vulnerabilities

The source reports a double-free vulnerability in Microsoft Internet Key Exchange (IKE) Service Extensions that could allow remote code execution. It calls for applying vendor mitigations under applicable CISA guidance, or discontinuing use if mitigations are unavailable.

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Why it matters

The reported flaw could allow remote code execution, and the source calls for mitigation or discontinuing use when mitigation is unavailable.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 5/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 1/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 5/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

CISA Known Exploited Vulnerabilities CVE-2026-33824: Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability

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