CVE-2026-41527

Name	CVE-2026-41527
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
kleopatra (PTS)	bullseye	4:20.08.3-1	fixed
	bookworm	4:22.12.3-1	fixed
	trixie	4:24.12.3-1+deb13u1	fixed
	forky, sid	4:25.12.3-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
kleopatra	source	(unstable)	(not affected)

- kleopatra <not-affected> (Windows-specific)
https://kde.org/info/security/advisory-20260408-1.txt