CVE-2026-21537
High · 8.8CVSS
8.8
EPSS
0.5%
Published
Feb 10, 2026
CISA due date
—
The record
Improper control of generation of code ('code injection') in Microsoft Defender for Linux allows an unauthorized attacker to execute code over an adjacent network.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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