- Vulnerability/
- ZDI-25-091
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 Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-25-091?
The severity of ZDI-25-091 is classified using the CVSS rating provided by the ZDI.
How do I fix ZDI-25-091?
To fix ZDI-25-091, apply the latest security updates provided by Microsoft for affected versions of Windows.
Who can exploit ZDI-25-091?
ZDI-25-091 can be exploited by local attackers who already have the ability to execute low-privileged code on the system.
What systems are affected by ZDI-25-091?
ZDI-25-091 affects vulnerable installations of Microsoft Windows.
What type of vulnerability is ZDI-25-091?
ZDI-25-091 is a privilege escalation vulnerability.
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