CVE-2026-23665
Received Received - Intake
Heap-Based Buffer Overflow in Azure Linux VM Enables Privilege Escalation

Publication date: 2026-03-10

Last updated on: 2026-03-20

Assigner: Microsoft Corporation

Description
Heap-based buffer overflow in Azure Linux Virtual Machines allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-03-10
Last Modified
2026-03-20
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23665
EUVD
EUVD-2026-10586
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft linux_diagnostic_extension From 1.0.0 (inc) to 2.1.24 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is a heap-based buffer overflow found in Azure Linux Virtual Machines. It allows an authorized attacker to elevate their privileges locally on the affected system.

Impact Analysis

The impact of this vulnerability is an elevation of privilege, meaning an attacker who already has some level of access can gain higher-level permissions. This can lead to full control over the affected Azure Linux Virtual Machine, potentially compromising confidentiality, integrity, and availability.

Compliance Impact

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Detection Guidance

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