CVE catalog

CVE-2026-41527

KDE Kleopatra before 26.08.0 on Windows allows local…

[CVE catalog]

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.

Severity
Medium · CVSS 6.9CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Published
Source
[NVD] · [CVE record]
EPSS
0.11% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "kleopatra",
      "status": "not affected",
      "release": "sid",
      "version": "4:26.08.2-2"
    },
    {
      "name": "kleopatra",
      "status": "not affected",
      "release": "forky",
      "version": "4:26.08.2-2"
    },
    {
      "name": "kleopatra",
      "status": "not affected",
      "release": "trixie",
      "version": "4:24.12.3-1+deb13u1"
    },
    {
      "name": "kleopatra",
      "status": "not affected",
      "release": "bookworm",
      "version": "4:22.12.3-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "kleopatra",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "kleopatra",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "kleopatra",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "kleopatra",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": "0"
    }
  ],
  "distribution_packages": [
    {
      "name": "kleopatra",
      "ecosystem": "cpe",
      "fixed_version": "0"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [kleopatra]Unknown
    Details (2)

    • 4:22.12.3-1 · amd64 · bookworm

      Not affected

      nvd · kleopatra · debian · bookworm

    • 4:22.12.3-1 · arm64 · bookworm

      Not affected

      nvd · kleopatra · debian · bookworm

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]