CVE-2026-25704
MEDIUM EPSS 0.5%
Published Mar 30, 20263mo ago · Modified Jun 17, 20262w ago
5.8 CVSS 4.0
Published Mar 30, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago
Description
A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic. This issue affects cosmic-greeter before https://github.Com/pop-os/cosmic-greeter/pull/426.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
0.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-271
CWE-367
References 2
- openwall.com http://www.openwall.com/lists/oss-security/2026/04/16/3
- bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-25704
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.