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Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability

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

MANARTECH SECURITY ALERT

Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability

CVE Numbers

CVE-2026-33824

Affected Product

Internet Key Exchange (IKE) Service Extensions — Microsoft

Threat Description

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

Severity Scale

CRITICALHIGHMEDIUMLOW

Severity

CRITICAL

Affected Versions

To be reviewed

Recommended Mitigation

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Reference Links