CVE-2026-21655NVD

Vulnerability Summary

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.

Severity Level

UNKNOWN

Published Date

Jul 23, 2026

Last Modified

Aug 6, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.49%Probability

Root Weakness (CWE)

CWE-502: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 8.7 (HIGH)

Attack VectorAdjacent

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

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

Patched Versions

Johnson Control victor 8.0
Johnson Controls CCure 9000 3.2
Johnson Controls Victor Application Server 4.1

🎁7-Day Free Trial — Try Pro or Team, no card required.

📧Email Delivery — Threat intel straight to your inbox.

♾️Unlimited Vendors — Track your entire stack.

🚨All New CVEs — Be the first to know.

📈EPSS Spike Alerts — Catch rising risk before it peaks.

🎯Custom EPSS/CVSS — Filter noise, focus on risk.

🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.

🐙GitHub Issues — Auto-tracked, no duplicates.

📬Weekly Digest — One clean summary, not inbox spam.

🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).

💬Webhooks — Slack & Teams integration.

🔀Smart Routing — Critical alerts to one channel, rest to another.

🚫Ad-Free — Uninterrupted experience.