CVE-2026-41527

6.9 MEDIUM 0.1% exploit odds No fix listed Other OS & kernel

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-04-21 22:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-26 21:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-04-21 22:16 UTC
Last modified: 2026-10-26 21:10 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-670
Record status: Awaiting Analysis

Attack profile CVSS 3.1 · 6.9

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: Low

Raw vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

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References

NVD record · CVE.org record