CVE-2025-32780: Bleachbit

High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.

BleachBit cleans files to free disk space and to maintain privacy. BleachBit for Windows up to version 4.6.2 is vulnerable to a DLL Hijacking vulnerability. By placing a malicious DLL with the name uuid.dll in the folder C:\Users\<username>\AppData\Local\Microsoft\WindowsApps\, an attacker can execute arbitrary code every time BleachBit is run. This issue has been patched in version 4.9.0.

Affected products

• Bleachbit Bleachbit: before 4.9.0 (fixed in 4.9.0)

Published 2025-04-15. Last modified 2026-06-17.