A high-severity security flaw affecting default installations of Ubuntu Desktop versions 24.04 and later could be exploited to escalate privileges to the root level.
Tracked as CVE-2026-3888 (CVSS score: 7.8), the issue could allow an attacker to seize control of a susceptible system.
“This flaw (CVE-2026-3888) allows an unprivileged local attacker to escalate privileges to full root access
