CVE-2026-16967

HIGH CVSS 3.1: 7.5 EPSS 0.25%
Updated Aug 17, 2026
IBM
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-367 (Time-of-check Time-of-use (TOCTOU))
Vendor IBM
Public PoC No

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to gain unauthorized access to system objects due to a time-of-check to time-of-use (TOCTOU) race condition involving symbolic links.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
Low
Basic 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 v3.1

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Ibm I
cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
Ibm I
cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
Ibm I
cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
Ibm I
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*