CVE-2026-41527

Summary

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.

Affected Software

Weaknesses

• CWE-670: CWE-670 Always-Incorrect Control Flow Implementation

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

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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