Mmastodon TechnologyCybersecurity first seen 5 h ago, last 5 h ago, peak #3

BleachBit vulnerability allows Windows privilege escalation to SYSTEM

Original: CVE-2026-55567 BleachBit: local privilege escalation to SYSTEM via junction/symlink redirection in privileged Windows cl

A new vulnerability tracked as CVE-2026-55567 affects BleachBit on Windows. Attackers with local access can escalate privileges to SYSTEM by exploiting junction or symlink redirection during privileged cleaning operations. The flaw carries a CVSS score of 7.8, indicating high severity. A fix is under review for release in BleachBit 6.0.1, and security researchers are urging users to update as soon as the patched version ships.

Why now: Security researchers are warning Windows users to watch for the BleachBit 6.0.1 patch fixing a high-severity privilege escalation flaw.

BleachBitCVE-2026-55567Microsoft Windows

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Evidence

• CVE-2026-55567 BleachBit: local privilege escalation to SYSTEM via junction/symlink redirection in privileged Windows cleaning. CVSS 7.8. Patch under review for 6.0.1. Watch for the release and update as soon as it ships. https://www. valtersit.com/cve/CVE-2026-555 67/ # CVE #… · hugovalters

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