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HIGH · 7.8

CVE-2026-23665

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

Vulnerability Description

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

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftLinux Diagnostic Extension>= 1.0.0, < 2.1.24

Related Weaknesses (CWE)

CWE-122CWE-787

References

FAQ

What is CVE-2026-23665?

CVE-2026-23665 is a vulnerability with a CVSS score of 7.8 (HIGH). Heap-based buffer overflow in Azure Linux Virtual Machines allows an authorized attacker to elevate privileges locally.

How severe is CVE-2026-23665?

CVE-2026-23665 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-23665?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Linux Diagnostic Extension.