CVE-2026-25704
UNSCOREDDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3.1 Vector
No CVSS vector data available.
Exploit Intelligence
Low risk: more likely to be exploited than 0% of all known CVEs.
References
Related Vulnerabilities
Other CWE-271 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-0985 | High | 8.0 | 1.8% | - | Fix |
| CVE-2019-11243 | High | 8.1 | 1.5% | - | - |
| CVE-2020-35513 | Medium | 4.9 | 1.3% | - | Fix |
| CVE-2022-3569 | High | 7.8 | 0.7% | - | - |
| CVE-2024-35179 | Medium | 6.8 | 0.6% | - | - |
| CVE-2026-44477 | Critical | 9.9 | 0.5% | - | Fix |
Common questions
How do I fix CVE-2026-25704?
No published fix for CVE-2026-25704 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-25704 being actively exploited?
Not that we know of. CVE-2026-25704 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.09% is the estimated probability that it will be exploited in the next 30 days. That is higher than 0% of all scored CVEs.
Embed a live status badge for CVE-2026-25704
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.