Heap-Based Buffer Overflow in IBM i Products by IBM
CVE-2026-16975

8.8HIGH

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
13 August 2026

What is CVE-2026-16975?

A heap-based buffer overflow vulnerability exists in IBM i versions 7.6, 7.5, 7.4, and 7.3, which can be exploited by a remote authenticated attacker to execute arbitrary code. This flaw poses significant risk as it enables unauthorized access and manipulation of system operations. Users are advised to review the available patches and implement necessary updates to safeguard their systems.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283300
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.