snapd – CyberSecurityBoard

Critical CVEs

Ubuntu snap-confine Flaw CVE-2026-8933 Gives Local Users Root on Default Desktop Installs

Cybersecurity researchers have disclosed a high-severity local privilege escalation (LPE) vulnerability in snap-confine, tracked as CVE-2026-8933 (CVSS score: 7.8), that allows an…

Canonical CVE-2021-44731 CVE-2022-3328 CVE-2026-3888

July 22, 2026

Cyber Products

snap-confine: Snap Sandbox Execution Environment

A program used by snapd to construct the execution environment for snap applications, responsible for creating confinement. Vulnerable to CVE-2026-8933.

sandbox snap-confine snapd

July 22, 2026

Cyber Products

snapd: Snap Package Manager Daemon

The background service managing snap packages on Linux systems, using snap-confine for sandboxing.

package manager snap snapd

July 22, 2026