Advisory Published

ZDI-CAN-25761: ZDI-25-091: Microsoft Windows Installer Service Link Following Local Privilege Escalation Vulnerability

First published: Mon Feb 24 2025(Updated: )

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-21373.

Affected SoftwareAffected VersionHow to fix
Microsoft Windows

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Frequently Asked Questions

  • What is the severity of ZDI-CAN-25761?

    ZDI-CAN-25761 has been assigned a CVSS rating indicating a high severity level due to its potential for privilege escalation.

  • Who is affected by ZDI-CAN-25761?

    ZDI-CAN-25761 impacts installations of Microsoft Windows that allow local attackers to execute low-privileged code.

  • How do I fix ZDI-CAN-25761?

    To resolve ZDI-CAN-25761, you should apply the latest security updates and patches provided by Microsoft for your Windows version.

  • What type of vulnerability is ZDI-CAN-25761?

    ZDI-CAN-25761 is a privilege escalation vulnerability that can be exploited by local attackers.

  • Can ZDI-CAN-25761 be exploited remotely?

    No, ZDI-CAN-25761 requires local access to the affected Microsoft Windows system to be exploited.

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