PT-2026-24270 · Microsoft · Azure Diagnostics For Linux Virtual Machines+2

Published 2026-03-10 · Updated 2026-03-16 · CVE-2026-23665

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Azure Linux Virtual Machines (affected versions not specified)

Description A heap-based buffer overflow exists in Azure Linux Virtual Machines. This issue allows an authorized attacker to elevate privileges locally. The vulnerability is related to a buffer overflow in dynamic memory within the Azure Diagnostics extension for Linux Virtual Machines.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

BDU:2026-03057

CVE-2026-23665

Affected Products

Azure Diagnostics For Linux Virtual Machines

Azure Linux Virtual Machines With Azure Diagnostics Extension

Linux Diagnostic Extension

References · 5

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23665 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23665 · Security Note
• https://bdu.fstec.ru/vul/2026-03057 · Security Note
• https://twitter.com/RedPacketSec/status/2031529339477504019 · Twitter Post
• https://twitter.com/CVEnew/status/2033361122007429280 · Twitter Post