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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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c86c316eb593bbf5b664966d215352961d0db5140998c5056f3764e75f5a5b8a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","platforms":["Windows"],"product":"Kleopatra","vendor":"KDE","versions":[{"lessThan":"26.08.0","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a095bd5f17874f6eea989ff1dd26899fe1440d8bbe851880c777d23faf633f61 · sha256:7f8d539b2c5ae63f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a095bd5f17874f6eea989ff1dd26899fe1440d8bbe851880c777d23faf633f61 · sha256:7f8d539b2c5ae63f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-670","description":"CWE-670 Always-Incorrect Control Flow Implementation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a095bd5f17874f6eea989ff1dd26899fe1440d8bbe851880c777d23faf633f61 · sha256:7f8d539b2c5ae63f… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://commits.kde.org/kleopatra/73471abb92d99c56354adb582bfaec2764c22b79"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a095bd5f17874f6eea989ff1dd26899fe1440d8bbe851880c777d23faf633f61 · sha256:7f8d539b2c5ae63f… · /containers/cna/references/1
{"url":"https://github.com/KDE/kleopatra/releases"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a095bd5f17874f6eea989ff1dd26899fe1440d8bbe851880c777d23faf633f61 · sha256:7f8d539b2c5ae63f… · /containers/cna/references/0
{"url":"https://kde.org/info/security/advisory-20260408-1.txt"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a095bd5f17874f6eea989ff1dd26899fe1440d8bbe851880c777d23faf633f61 · sha256:7f8d539b2c5ae63f… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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