PublicCVE

CVE-2026-21537

HIGH8.8Remote code exec

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.

CVSS breakdown

CVSS 3.1
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
E
Unchanged
RL
O
RC
Changed

Affected products