Vulnerability Intelligence Report
Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability
CVE-2026-33824
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
CISA KEV
SSVC: Active Exploitation
Automatable
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:1.62%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-415 ↗CWE-415: Double Free
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 < 10.0.14393.9060 (affected) |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 < 10.0.17763.8644 (affected) |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 < 10.0.19044.7184 (affected) |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 < 10.0.19045.7184 (affected) |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 < 10.0.22631.6936 (affected) |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 < 10.0.22631.6936 (affected) |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 < 10.0.26100.8246 (affected) |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 < 10.0.26200.8246 (affected) |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 < 10.0.28000.1836 (affected) |
| Microsoft | Windows Server 2016 | 10.0.14393.0 < 10.0.14393.9060 (affected) |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 < 10.0.14393.9060 (affected) |
| Microsoft | Windows Server 2019 | 10.0.17763.0 < 10.0.17763.8644 (affected) |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 < 10.0.17763.8644 (affected) |
| Microsoft | Windows Server 2022 | 10.0.20348.0 < 10.0.20348.5020 (affected) |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 < 10.0.25398.2274 (affected) |
| Microsoft | Windows Server 2025 | 10.0.26100.0 < 10.0.26100.32690 (affected) |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 < 10.0.26100.32690 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-03-24T00:52:01 |
| Published | 2026-04-14T16:58:45 |
| Patch Date | 2026-04-14 |
| Last Updated | 2026-09-25T17:26:28 |
Community Chatter & Buzz