Improper control of generation of code ('code injection') in Microsoft Defender for Linux allows an unauthorized attacker to execute code over an adjacent network.
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Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-02-10. NVD baseline CVSS 8.8; sources differ by 0.0.
Improper control of generation of code ('code injection') in Microsoft Defender for Linux allows an unauthorized attacker to execute code over an adjacent network.
February 10, 2026
February 11, 2026
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21537MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
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msrc
CWE-94