Denial of Service Vulnerability in IBM AIX and PowerVM
CVE-2026-16852

7.5HIGH

Key Information:

Vendor

IBM
Status
Aix
Powervm ViOS
Vendor
CVE Published:
19 August 2026

What is CVE-2026-16852?

An integer overflow vulnerability in IBM AIX versions 7.2 and 7.3, along with IBM PowerVM VIOS 4.1, could allow a remote attacker to exploit the flaw and cause a denial of service. This potentially disrupts the normal operation of affected systems, making them inaccessible until the issue is resolved. IBM has released a patch to address this vulnerability, ensuring enhanced safety and security for users.

Affected Version(s)

AIX 7.2

AIX 7.3

PowerVM VIOS 4.1

References

https://www.ibm.com/support/pages/node/7283858
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

CVE-2026-14970, CVE-2026-15061, CVE-2026-15078, CVE-2026-15065, CVE-2026-15068 were reported to IBM by Oneconsult AG (https://oneconsult.com/).
.