How severe is CVE-2025-62876?

CVE-2025-62876 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2025-62876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-62876?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-62876 have an EU (EUVD) identifier?

Yes. CVE-2025-62876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-131905.

When was CVE-2025-62876 published?

CVE-2025-62876 was published on 2025-11-12 and last updated on 2026-06-17.

CVE-2025-62876

CVE-2025-62876 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-250.

Key facts

Severity: Medium (CVSS 4.0 base score 5.3)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-131905
Weakness: CWE-250
Published: 2025-11-12
Last modified: 2026-06-17

Description

A Execution with Unnecessary Privileges vulnerability in lightdm-kde-greeter allows escalation from the service user to root.This issue affects lightdm-kde-greeter. before 6.0.4.

Frequently asked questions

What is CVE-2025-62876?: A Execution with Unnecessary Privileges vulnerability in lightdm-kde-greeter allows escalation from the service user to root.This issue affects lightdm-kde-greeter. before 6.0.4.
How severe is CVE-2025-62876?: CVE-2025-62876 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2025-62876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-62876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-62876 have an EU (EUVD) identifier?: Yes. CVE-2025-62876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-131905.
When was CVE-2025-62876 published?: CVE-2025-62876 was published on 2025-11-12 and last updated on 2026-06-17.

References

Other CWE-250 vulnerabilities

CVE-2026-4606 — Critical (CVSS 10.0): GV Edge Recording Manager (ERM) v2.3.1 improperly runs application components with SYSTEM-level privileges, allowing…
CVE-2022-2634 — Critical (CVSS 10.0): An attacker may be able to execute malicious actions due to the lack of device access protections and device…
CVE-2026-48584 — Critical (CVSS 9.9): Execution with unnecessary privileges in Azure Synapse allows an authorized attacker to elevate privileges over a…
CVE-2026-50566 — Critical (CVSS 9.9): Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and…
CVE-2026-44477 — Critical (CVSS 9.9): CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.29.1 and…
CVE-2026-25212 — Critical (CVSS 9.9): An issue was discovered in Percona PMM before 3.7. Because an internal database user retains specific superuser…

Browse all CWE-250 vulnerabilities →