CVE-2026-41527

State: Published
Severity: 6.9 Medium
Published: Apr 21, 2026
Updated: Apr 22, 2026
Reserved: Apr 20, 2026

Description

KDE Kleopatra before 26.08.0 on Windows allows local users to obtain the privileges of a Kleopatra user, because there is an error in the mechanism (KUniqueService) for ensuring that only one instance is running.

Scores

CVSS	Score	Vector	Source
3.1	6.9 Medium	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L	mitre

Weaknesses

CWE-670 Always-Incorrect Control Flow Implementation

Affected Products

Product	Versions
KleopatraKDE	before 26.08.0Affected

References

https://github.com/KDE/kleopatra/releases
https://commits.kde.org/kleopatra/73471abb92d99c56354adb582bfaec2764c22b79
https://kde.org/info/security/advisory-20260408-1.txt

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