CVE-2026-3888

CVE

Threat entity extracted from intelligence sources

Frequency

8

occurrences

First Seen

March 18, 2026

Last Seen

March 18, 2026

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical Ubuntu Snap Flaw Allows Local Privilege Escalation74.0

A local privilege escalation vulnerability, tracked as CVE-2026-3888, has been identified in default installations of Ubuntu Desktop 24.04 and later. Discovered by Qualys, the flaw arises from an unintended interaction between snap-confine and systemd-tmpfiles, allowing unprivileged local users to g...

Public Exploits

Checking GitHub for proof-of-concept code…

Related Clusters (1)

Critical Ubuntu Snap Flaw Allows Local Privilege Escalation

Mar 18·11 sources

Related Articles (8)

Ubuntu: root vulnerability via snapd

Heise.De·Mar 18

Ubuntu CVE-2026

Ground.News·Mar 18

New Ubuntu Flaw Enables Local Attackers to Gain Root Access

Infosecurity-Magazine·Mar 18

CVE-2026-3888: Snap Flaw Causes Ubuntu Root Escalation

Technadu·Mar 18

CVE-2026-3888: Ubuntu Desktop 24.04+ vulnerable to Root exploit

Securityaffairs.Co·Mar 18

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Related Entities

Zero-day Exploit Privilege Escalation Ubuntu Qualys T1068 - Exploitation for Privilege Escalation T1053 - Scheduled Task/Job Ubuntu Desktop Cisco Catalyst Sd-wan Systemd Snapd Systemd-tmpfiles Snap-confine