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CVE-2026-33824 is a double-free vulnerability in Microsoft Windows Internet Key Exchange (IKE) Service Extensions (MS-IKEE). Improper repeated release of memory can be triggered through specially crafted IKE traffic, allowing an unauthenticated remote attacker to execute arbitrary code in the context of the affected Windows system. The issue affects supported Windows 10, Windows 11, and Windows Server releases, including applicable Server Core installations, and has been observed exploited in the wild.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 3 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
114 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Microsoft security-update vulnerability added to CISA's Known Exploited Vulnerabilities catalog.
A specific Microsoft-related vulnerability referenced in the August 2026 security updates and added by CISA to the Known Exploited Vulnerabilities database, indicating confirmed in-the-wild exploitation.
A double-free vulnerability in Microsoft Internet Key Exchange (IKE) Service Extensions with remote code execution implications.
A critical double-free remote code execution vulnerability in Microsoft Windows Internet Key Exchange (IKE) Service Extensions that can be exploited over the network without credentials or user interaction.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.