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CVE-2026-23665

HIGH CVSS 3.1: 7.8 EPSS 0.03%
Updated Mar 20, 2026
Linux
Parameter Value
CVSS 7.8 (HIGH)
Affected Versions 1.0.0 — 2.1.24
Fixed In 2.1.24
Type CWE-122 (Heap-based Buffer Overflow), CWE-787 (Out-of-bounds Write)
Vendor Linux
Public PoC No

Heap-based buffer overflow in Azure Linux Virtual Machines allows an authorized attacker to elevate privileges locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Microsof Linux_Diagnostic_Extension
cpe:2.3:a:microsof:linux_diagnostic_extension:*:*:*:*:*:*:*:*
1.0.0 2.1.24
Microsoft Linux_Diagnostic_Extension
cpe:2.3:a:microsoft:linux_diagnostic_extension:*:*:*:*:*:*:*:*
1.0.0 2.1.24