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09/07/2025
Zero-Day Initiative

ZDI-25-577: Microsoft Windows AppX Deployment Service Link Following Local Privilege Escalation Vulnerability

by Deepanshu Jha
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-2025-48820.
  • Next ZDI-25-578: Microsoft Windows win32kfull Integer Overflow Local Privilege Escalation Vulnerability
  • Previous ZDI-25-576: Siemens SINEC NMS uploadFWBinary Directory Traversal Remote Code Execution Vulnerability

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