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CVE-2026-41527

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 insta...

Published: Apr 21, 2026Updated: Apr 21, 2026 Sources: CVE List NVD
NVD MITRE
6.9CVSS
MEDIUM

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:LAC:HPR:NUI:NS:UC:HI:HA:L
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

Weaknesses

CWE-670

Affected Products

Kleopatra
KDE

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 21, 2026

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