HIGH 8.8 Microsoft
CVE-2026-21537
Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
Microsoft Security Update 2026-Feb: Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
Affected Products
- Microsoft Defender for Endpoint for Linux
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21537
- https://nvd.nist.gov/vuln/detail/CVE-2026-21537
This high severity vulnerability with a CVSS score of 8.8 was published on 2026-02-10 via Microsoft. Affected: Microsoft Defender for Endpoint for Linux.
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