CVE-2026-21537

—

CVSS 3.1

8.8 high

EPSS

<1%p45

Published

Feb 10, 2026 (Feb 10, 2026)

Modified

Jun 17, 2026

Description

Improper control of generation of code ('code injection') in Microsoft Defender for Linux allows an unauthorized attacker to execute code over an adjacent network.

Vendors: microsoft
Products: defender for endpoint
Weakness: CWE-94
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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