CVE-2026-23665
Received
Received - Intake
Heap-Based Buffer Overflow in Azure Linux VM Enables Privilege Escalation
Vulnerability report for CVE-2026-23665, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-03-10
Last updated on: 2026-03-20
Assigner: Microsoft Corporation
Description
Description
Heap-based buffer overflow in Azure Linux Virtual Machines allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | linux_diagnostic_extension | From 1.0.0 (inc) to 2.1.24 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| 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(). |
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
