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CVE-2026-33824

Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability

Published
Last modified
published
Listed in CISA KEV
Fix
Fixed in 10.0.14393.9060, 10.0.17763.8644, 10.0.19044.7184, 10.0.19045.7184, 10.0.22631.6936, and 6 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: active
  • Automatable: yes
  • Technical impact: total

Summary

This vulnerability affects the Windows Internet Key Exchange (IKE) Extension, a component used to set up encrypted network connections. An unauthorized attacker could exploit it over a network to run malicious code on the affected system.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

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

Timeline

  1. CISA SSVC assessment

    Exploitation: active · Automatable: yes · Technical impact: total

  2. CVE published
  3. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  4. CISA remediation deadline

    Due date for US federal agencies to patch

  5. Record last updated
  6. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Microsoft Windows 10 Version 1607

    From 10.0.14393.0 · fixed in 10.0.14393.9060

  • Microsoft Windows 10 Version 1809

    From 10.0.17763.0 · fixed in 10.0.17763.8644

  • Microsoft Windows 10 Version 21H2

    From 10.0.19044.0 · fixed in 10.0.19044.7184

  • Microsoft Windows 10 Version 22H2

    From 10.0.19045.0 · fixed in 10.0.19045.7184

  • Microsoft Windows 11 version 23H2

    From 10.0.22631.0 · fixed in 10.0.22631.6936

  • Microsoft Windows 11 Version 23H2

    From 10.0.22631.0 · fixed in 10.0.22631.6936

  • Microsoft Windows 11 Version 24H2

    From 10.0.26100.0 · fixed in 10.0.26100.8246

  • Microsoft Windows 11 Version 25H2

    From 10.0.26200.0 · fixed in 10.0.26200.8246

  • Microsoft Windows 11 version 26H1

    From 10.0.28000.0 · fixed in 10.0.28000.1836

  • Microsoft Windows Server 2016

    From 10.0.14393.0 · fixed in 10.0.14393.9060

  • Microsoft Windows Server 2016 (Server Core installation)

    From 10.0.14393.0 · fixed in 10.0.14393.9060

  • Microsoft Windows Server 2019

    From 10.0.17763.0 · fixed in 10.0.17763.8644

  • Microsoft Windows Server 2019 (Server Core installation)

    From 10.0.17763.0 · fixed in 10.0.17763.8644

  • Microsoft Windows Server 2022

    From 10.0.20348.0 · fixed in 10.0.20348.5020

  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

    From 10.0.25398.0 · fixed in 10.0.25398.2274

  • Microsoft Windows Server 2025

    From 10.0.26100.0 · fixed in 10.0.26100.32690

  • Microsoft Windows Server 2025 (Server Core installation)

    From 10.0.26100.0 · fixed in 10.0.26100.32690

References 1

msrc.microsoft.com