Out-of-Bounds Write Vulnerability in IBM i by IBM
CVE-2026-17218

9.8CRITICAL

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
12 August 2026

What is CVE-2026-17218?

IBM i versions 7.6, 7.5, 7.4, and 7.3 are susceptible to an out-of-bounds write vulnerability that could enable remote attackers to execute arbitrary code. This situation poses significant risks to system integrity and confidentiality, requiring immediate attention to mitigate potential impacts. Users are advised to consult IBM's advisory for updates and patching information.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283277
vendor-advisorypatch

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.