CVE-2026-21655

HIGH CVSS 4.0: 8.7 EPSS 0.17%
Updated Jul 24, 2026
Deserialization
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions before 3.0.
Type CWE-502 (Deserialization of Untrusted Data)
Vendor Deserialization
Public PoC No

Deserialization of untrusted data vulnerability in Johnson Control victor on Windows allows capec-586. This issue affects victor: from 2.9 before 3.0.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0