HIGH Microsoft Corporation Vulnerability Alert

Product:

Azure Linux Virtual Machines

Summary

Heap-based buffer overflow in Azure Linux Virtual Machines allows an authorized attacker to elevate privileges locally. This vulnerability can lead to significant security risks if exploited. Attackers with local access can manipulate the system to gain higher privileges.

Details

Severity Base Score CVE
HIGH 7.8 CVE-2026-23665

Exploitation

To exploit this vulnerability, an attacker must have local access to the Azure Linux Virtual Machines. Once access is gained, the attacker can execute a specially crafted sequence of commands that triggers the heap-based buffer overflow, allowing them to elevate their privileges and gain control over the system.

Affected Products

  • Azure Linux Virtual Machines: Vulnerable to heap-based buffer overflow, allowing local privilege escalation.

Mitigation

To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Regularly monitoring and updating systems can help prevent exploitation of this and similar vulnerabilities.

References