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CVE-2026-55567

BleachBit: Exploit File Delete to Escalate Privilege

BleachBit cleans files to free disk space and to maintain privacy. Prior to 6.0.1, privileged Windows cleaning does not lock and validate a target's parent directory before deletion. A local unprivileged user can replace that directory with a Windows junction and use a native symlink to redirect the elevated deletion to an attacker-selected file. The arbitrary privileged file deletion can be combined with Windows Installer behavior to obtain local SYSTEM privileges. This issue is fixed in version 6.0.1.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Bleachbit
Products
Bleachbit
CVE-2025-32780

BleachBit for Windows Has DLL Untrusted Path Vulnerability

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.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Bleachbit
Products
Bleachbit
CVE-2023-47113

DLL Search Order Hijacking vulnerability in BleachBit for Windows

BleachBit cleans files to free disk space and to maintain privacy. BleachBit for Windows up to version 4.4.2 is vulnerable to a DLL Hijacking vulnerability. By placing a DLL in the Folder c:\DLLs, an attacker can run arbitrary code on every execution of BleachBit for Windows. This issue has been patched in version 4.5.0.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Bleachbit Microsoft
Products
Bleachbit Windows