CVE-2026-21537 (GCVE-0-2026-21537)

Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-08-19 16:26
VLAI
Title
Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
Summary
Improper control of generation of code ('code injection') in Microsoft Defender for Linux allows an unauthorized attacker to execute code over an adjacent network.
Severity
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 04:55 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version CPE status
Microsoft Microsoft Defender for Endpoint for Linux Affected: 101.0.0 , < 1.0.9.0 (custom)
    cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-02-10 16:00
Show details on NVD website
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