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. 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 fl... [3254 chars]