CVE-2026-41527
CVE-2026-41527 is a medium-severity vulnerability with a CVSS 3.x base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-670.
Key facts
- Severity: Medium (CVSS 3.x base score 6.9)
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-24513
- Weakness: CWE-670
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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 instance is running.
- How severe is CVE-2026-41527?
- CVE-2026-41527 has a CVSS 3.x base score of 6.9, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
- Is CVE-2026-41527 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-41527?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-41527 have an EU (EUVD) identifier?
- Yes. CVE-2026-41527 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24513.
- When was CVE-2026-41527 published?
- CVE-2026-41527 was published on 2026-04-21 and last updated on 2026-06-17.
References
- https://commits.kde.org/kleopatra/73471abb92d99c56354adb582bfaec2764c22b79
- https://github.com/KDE/kleopatra/releases
- https://kde.org/info/security/advisory-20260408-1.txt
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