CVE-2026-21655

HighCVSS 8.7/10Last modified Oct 24, 2026

Description

Deserialization of untrusted data vulnerability in Johnson Control victor on Windows, Johnson Controls CCure 9000, and Johnson Controls Victor Application Server allows capec-586.

This issue affects victor: before 8.0; CCure 9000: before 3.2; Victor Application Server: before 4.1.

Metrics

CVSS 4.0 8.7/10

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-502

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Johnson Control	victor	< 8.0
Johnson Controls	CCure 9000	< 3.2
Johnson Controls	Victor Application Server	< 4.1

References

https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories

Timeline

Published: Jul 23, 2026
Last modified: Oct 24, 2026
NVD status: Awaiting Analysis

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