CVE-2026-41527

KDE Kleopatra before 26.08.0 on Windows allows local users to obtain the privileges of a...

6.9 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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: Low

Exploit likelihood

0.11%Up 0.1 points since Apr 22, 2026

What each source reports

CVE List Score used 6.9

Record: CVE-2026-41527
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-670
Updated: 2026-11-02

EUVDEUVD-2026-24513 6.9

Record: EUVD-2026-24513
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-g2r2-6v8v-5qgm 6.9

KDE Kleopatra before 26.08.0 on Windows allows local users to obtain the privileges of a...

Record: GHSA-g2r2-6v8v-5qgm
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-670
Updated: 2026-11-02

NVD 6.9

Record: CVE-2026-41527
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-670
Updated: 2026-11-02

OSV 6.9

Record: CVE-2026-41527
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-670
Updated: 2026-11-02

Affected products

kde kleopatra

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-41527 is a medium vulnerability (CVSS 6.9) in Kde Kleopatra, published April 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.