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CVE Vulnerability Details :
CVE-2025-26386
PUBLISHED
More InfoOfficial Page
Assigner-jci
Assigner Org ID-7281d04a-a537-43df-bfb4-fa4110af9d01
View Known Exploited Vulnerability (KEV) details
Published At-28 Jan, 2026 | 11:24
Updated At-28 Jan, 2026 | 15:49
Rejected At-
▼CVE Numbering Authority (CNA)
Stack-based Buffer Overflow in Johnson Controls iSTAR Configuration Utility (ICU) tool

Johnson Controls iSTAR Configuration Utility (ICU) has Stack-based Buffer Overflow vulnerability. This issue affects iSTAR Configuration Utility (ICU) version 6.9.7 and prior. Successful exploitation of this vulnerability could result in failure within the operating system of the machine hosting the ICU tool.

Affected Products
Vendor
Johnson Controls
Product
iSTAR Configuration Utility (ICU)
Default Status
unaffected
Versions
Affected
  • iSTAR Configuration Utility (ICU) tool version 6.9.7 and prior (custom)
Problem Types
TypeCWE IDDescription
CWECWE-121CWE-121 Stack-based Buffer Overflow
Type: CWE
CWE ID: CWE-121
Description: CWE-121 Stack-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
4.07.1HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Version: 4.0
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-100CAPEC-100 Overflow Buffers
CAPEC ID: CAPEC-100
Description: CAPEC-100 Overflow Buffers
Solutions

Update the ICU to version 6.9.8

Configurations
Workarounds
Exploits
Credits
finder
Bughunter Tenable
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
N/A
https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-04
N/A
Hyperlink: https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
Resource: N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-04
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found