Advisory Details

May 21st, 2025

Microsoft PC Manager MSPCManagerService Link Following Local Privilege Escalation Vulnerability

ZDI-25-294
ZDI-CAN-26137

CVE ID CVE-2025-29975
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS PC Manager
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft PC Manager. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the MSPCManagerService. By creating a symbolic link, an attacker can abuse the service to delete arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29975
DISCLOSURE TIMELINE
  • 2025-03-12 - Vulnerability reported to vendor
  • 2025-05-21 - Coordinated public release of advisory
  • 2025-05-21 - Advisory Updated
CREDIT Anonymous
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