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.

CVSS 4.0

5.3CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-250

Published

2025-11-12

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

References

• https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62876
• http://www.openwall.com/lists/oss-security/2025/11/17/4

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