CVE-2025-4455: Patch My Pc Home Updater

High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was found in Patch My PC Home Updater up to 5.1.3.0. It has been rated as critical. This issue affects some unknown processing in the library advapi32.dll/BCrypt.dll/comctl32.dll/crypt32.dll/dwmapi.dll/gdi32.dll/gdiplus.dll/imm32.dll/iphlpapi.dll/kernel32.dll/mscms.dll/msctf.dll/ntdll.dll/ole32.dll/oleaut32.dll/PresentationNative_cor3.dll/secur32.dll/shcore.dll/shell32.dll/sspicli.dll/System.IO. The manipulation leads to uncontrolled search path. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Patch My Pc Home Updater: version 5.1.0 only; version 5.1.1 only; version 5.1.2 only; version 5.1.3.0 only

Published 2025-05-09. Last modified 2026-06-17.