CVE-2026-41527 (GCVE-0-2026-41527)
Vulnerability from cvelistv5
Published
2026-04-21 00:00
Modified
2026-04-21 21:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-670 - Always-Incorrect Control Flow Implementation
Summary
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.
References
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"product": "Kleopatra",
"vendor": "KDE",
"versions": [
{
"lessThan": "26.08.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"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."
}
],
"metrics": [
{
"cvssV3_1": {
"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"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-670",
"description": "CWE-670 Always-Incorrect Control Flow Implementation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-21T21:19:44.293Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/KDE/kleopatra/releases"
},
{
"url": "https://commits.kde.org/kleopatra/73471abb92d99c56354adb582bfaec2764c22b79"
},
{
"url": "https://kde.org/info/security/advisory-20260408-1.txt"
}
],
"x_generator": {
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},
"cveMetadata": {
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"assignerShortName": "mitre",
"cveId": "CVE-2026-41527",
"datePublished": "2026-04-21T00:00:00.000Z",
"dateReserved": "2026-04-20T00:00:00.000Z",
"dateUpdated": "2026-04-21T21:19:44.293Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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