CVE Catalog

CVE-2026-41527

MediumCVSS 6.9
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.11%

1th percentile - higher than 1% of all known CVEs

Summary

KDE Kleopatra before 26.08.0 on Windows allows local users to obtain the privileges of a Kleopatra user due to an error in the KUniqueService mechanism that ensures only one instance runs.

Risk Assessment

A local attacker can escalate privileges to another Kleopatra user's level, potentially leading to unauthorized access to data and operations performed in the victim's context.

Recommendation

Update KDE Kleopatra to version 26.08.0 or later on Windows systems.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS