Ubuntu Desktop Systems Vulnerability Enables Attackers to Gain Full Root Access

A Local Privilege Escalation (LPE) vulnerability in default installations of Ubuntu Desktop 24.04 and later allows an unprivileged local attacker to gain full root access. Tracked as CVE-2026-3888, uncovered by The Qualys Threat Research Unit, the flaw exploits an unintended interaction between two standard system components, snap-confine and systemd-tmpfiles, making it particularly dangerous given how […]

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