CVE detail
CVE-2026-3888
Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 25.6 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 1
- within the 30d window
- Peak daily
- 1
- highest bucket
Evidence
Source links by recency
12 source links · newest first
Qualys disclosed CVE-2026-8933, a high-severity Ubuntu flaw that lets local attackers gain root privileges through a race condition in snap-confine. Qualys has disclosed a high-severity local privilege escalation vulnerability, tracked as CVE-2026-89
newssecurityaffairs.comJul 22, 2026, 10:25 PMA new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. WorldLeaks ransomware group breached the City of Los Angels PolyShell flaw exposes Magento and Adobe Commerce […]
newssecurityaffairs.comMar 22, 2026, 12:48 AMLinked URL: https://cdn2.qualys.com/advisory/2026/03/17/snap-confine-systemd-tmpfiles.txt | Posted by kevincox | 1 points | 0 comments
communitynews.ycombinator.comMar 19, 2026, 12:12 PMLinked URL: https://blog.qualys.com/vulnerabilities-threat-research/2026/03/17/cve-2026-3888-important-snap-flaw-enables-local-privilege-escalation-to-root | Posted by askl | 161 points | 116 comments
communitynews.ycombinator.comMar 18, 2026, 3:43 PM- CVE-2026-3888: Ubuntu Desktop 24.04+ vulnerable to Root exploitSecurity Affairs
Ubuntu flaw CVE-2026-3888 lets attackers gain root via a systemd timing exploit, affecting Desktop 24.04+ with high severity. Qualys researchers found a high-severity flaw, tracked as CVE-2026-3888 (CVSS score of 7.8), in Ubuntu Desktop 24.04+, which allows attackers to exploit a systemd cleanup timing issue to escalate privileges to root and potentially take full control […]
newssecurityaffairs.comMar 18, 2026, 11:35 AM Linked URL: https://www.openwall.com/lists/oss-security/2026/03/17/8 | Posted by rkta | 11 points | 0 comments
communitynews.ycombinator.comMar 18, 2026, 6:04 AM- http://www.openwall.com/lists/oss-security/2026/03/18/1www.openwall.com
No excerpt available.
Exploitwww.openwall.comMar 17, 2026, 2:16 PM No excerpt available.
Third Party Advisoryubuntu.comMar 17, 2026, 2:16 PMNo excerpt available.
Third Party Advisoryubuntu.comMar 17, 2026, 2:16 PM- https://discourse.ubuntu.com/t/snapd-local-privilege-escalation-cve-2026-3888discourse.ubuntu.com
No excerpt available.
Vendor Advisorydiscourse.ubuntu.comMar 17, 2026, 2:16 PM No excerpt available.
Third Party Advisorycdn2.qualys.comMar 17, 2026, 2:16 PMNo excerpt available.
Mitigationblog.qualys.comMar 17, 2026, 2:16 PM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
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