CVE-2026-33824CISA KEV

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

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

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CISA catalog record

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

Product: Internet Key Exchange (IKE) Service Extensions
Added to KEV: 18 Aug 2026
Federal remediation due: 21 Aug 2026
Known ransomware use: Not reported

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

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Exploitation and risk

Source status

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CVE-2026-33824

Listed in CISA KEV · added 18 Aug 2026 · Microsoft · Internet Key Exchange (IKE) Service Extensions

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

CISA source

No EPSS score is available here for this CVE.

Saved 23 Oct 2026 16:01:26 UTC · View this risk record (JSON)

cve-program · CVE-2026-33824

Published

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

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

Source published: 14 Apr 2026 16:58:45 UTC
Source modified: 15 Oct 2026 15:53:44 UTC
Saved here: 23 Oct 2026 15:48:27 UTC
Source terms: CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C