CVE-2026-8933: Ubuntu security flaw breaks Snap sandbox protections
ID: d3b99290-bf64-5c23-8fed-c7e9f8ece86a
STIX ID: report--d3b99290-bf64-5c23-8fed-c7e9f8ece86a
Feed Name: Security Affairs
Threat Score
Qualys disclosed high-severity local privilege escalation vulnerabilities in Ubuntu's snap system (notably CVE-2026-8933 and CVE-2026-3888) that rely on race conditions and timing windows in snap-confine and systemd-tmpfiles, allowing an unprivileged local user to escalate to root; Canonical has released snapd updates and users should apply them promptly.
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