CVE-2026-18461

CRITICAL CVSS 4.0: 9.2 EPSS 0.21%
Updated Sep 22, 2026
Parameter Value
CVSS 9.2 (CRITICAL)
Affected Versions before 7.7.0.1
Type CWE-134 (Use of Externally-Controlled Format String)
Public PoC No

Use of Externally-Controlled Format String vulnerability in RTI Connext Professional (Core Libraries) allows Format String Injection. This issue affects Connext Professional: from 7.5.0 before 7.7.0.1, from 7.3.0.10 before 7.3.1.6.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult 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