Always-Incorrect Control Flow Implementation (CWE-670)
2026-04-21
mitre
6.9
CVSS 3.1 · NVD
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Severity by source
NVD
PRIMARY
6.9
MEDIUM
AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
Lifecycle Timeline
4
Patch released
Apr 22, 2026 - 21:23 nvd
Patch available
Patch available
Apr 21, 2026 - 23:32 EUVD
EUVD ID Assigned
Apr 21, 2026 - 22:16 euvd
EUVD-2026-24513
CVE Published
Apr 21, 2026 - 00:00 nvd
MEDIUM 6.9
DescriptionCVE.org
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.
Analysis
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.
Same technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).
EUVD-2026-24513