CVE-2026-41527

Published: Apr 21, 2026Updated: Apr 22, 2026 Sources: CVE List NVDCWE-670

NVD MITRE

6.9CVSSMEDIUM

EPSS Score

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.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:LAvailability

Low

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Weaknesses

CWE-670

Affected Products

Kleopatra KDE

Mixed

Operating Systems / linux-distro

kdeoss-projectDEOperating Systemsaka kde community

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://github.com/KDE/kleopatra/releases

github.com

https://commits.kde.org/kleopatra/73471abb92d99c56354adb582bfaec2764c22b79

commits.kde.org

https://kde.org/info/security/advisory-20260408-1.txt

kde.org

Timeline

Published

Apr 21, 2026

Last Updated

Apr 22, 2026

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