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Findings

CVE-2026-33824

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

Published Apr 14, 2026 · updated Sep 25, 2026 · microsoft windows 10 1607

Microsoft Internet Key Exchange (IKE) Service Extensions contains a double free vulnerability that could enable remote code execution.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 14, 2026 · Catalog

    Detected

    Microsoft Internet Key Exchange (IKE) Service Extensions contains a double free vulnerability that could enable remote code execution.

  2. Aug 18, 2026 · CISA KEV

    Known exploited

    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

  3. Aug 21, 2026 · CISA KEV

    Remediation due

    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

  4. Sep 25, 2026 · Catalog

    Updated

    Microsoft Internet Key Exchange (IKE) Service Extensions contains a double free vulnerability that could enable remote code execution.

  5. Sep 25, 2026 · NIST NVD

    Updated

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

Required action

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.

CISA due date Aug 21, 2026

Affected

  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 10 22h2version unspecified
  • vendor Microsoft Internet Key Exchange (IKE) Service Extensionsversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2026-33824

    Microsoft Internet Key Exchange (IKE) Service Extensions contains a double free vulnerability that could enable remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2026-33824

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-33824

    30-day exploitation probability 1.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-33824

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

    nvd.nist.gov

References