Vulnerability · Published Jul 23, 2026 · Assigned by jci
CVE-2026-21655C-CURE 9000 and Victor application server - Deserialization of Untrusted Data
High 8.7
In plain English
A high-severity unsafe deserialization in victor from Johnson Control. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.5%top 57.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Johnson Control | victor | 0 – before 8.0 |
| Johnson Controls | CCure 9000 | 0 – before 3.2 |
| Johnson Controls | Victor Application Server | 0 – before 4.1 |
Weakness: CWE-502 · Vector: 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