
A new Privilege Escalation (PE) technique allows UAC bypass on Windows
A recent discovery has uncovered a sophisticated technique that bypasses Windows User Account Control (UAC), allowing privilege escalation without user intervention through the use of the private font editor, raising global concerns among system administrators. The attack disclosed by Matan Bahar exploits eudcedit.exe, Microsoft’s built-in private font editor, located in C:WindowsSystem32, originally designed to create and edit end-user-defined fonts (EUDC). Security researchers have discovered that this seemingly harmless utility can be exploited to bypass Windows’ primary security gatekeeper. The security flaw is caused by critical settings embedded in the eudcedit.exe application manifest. This vulnerability is triggered by two specific metadata tags. This










