Out-of-Bounds Read Vulnerability in IBM i Products
CVE-2026-16863

7.7HIGH

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
12 August 2026

What is CVE-2026-16863?

IBM i versions 7.3 to 7.6 are susceptible to a vulnerability that allows a remote authenticated attacker to exploit an out-of-bounds read condition, potentially leading to unauthorized access to sensitive information. This security flaw underscores the importance of applying timely patches and monitoring network access to protect sensitive data.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283280
vendor-advisorypatch

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.