← Back to CVE Explorer

CVE-2026-41527

Full vulnerability record from the local CVENow database.

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.

Severity
MEDIUM
CVSS score
6.9 (v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-04-21 22:16:20.363000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
  "id": "CVE-2026-41527",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-21T22:16:20.363",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "KDE Kleopatra anterior a la versión 26.08.0 en Windows permite a usuarios locales obtener los privilegios de un usuario de Kleopatra, debido a un error en el mecanismo (KUniqueService) para asegurar que solo se ejecute una instancia."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "KDE",
          "product": "Kleopatra",
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "versions": [
            {
              "version": "0",
              "lessThan": "26.08.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 1.4,
        "impactScore": 5.5
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-22T12:58:38.651028Z",
          "id": "CVE-2026-41527",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-670"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://commits.kde.org/kleopatra/73471abb92d99c56354adb582bfaec2764c22b79",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/KDE/kleopatra/releases",
      "source": "[email protected]"
    },
    {
      "url": "https://kde.org/info/security/advisory-20260408-1.txt",
      "source": "[email protected]"
    }
  ]
}