CVE-2026-16945: Buffer Overflow

Yes. The issue is described as requiring a local attacker, so exposure is limited to attackers who can obtain local access to an affected system.

Assess IBM AIX and IBM PowerVM VIOS systems, as both are listed as affected software.

Published Aug 15, 2026

Updated

AIX could allow a local attacker to execute arbitrary code due to a stack-based buffer overflow.

Affected Software

3 affected components

IBM AIX<=7.2

IBM AIX<=7.3

IBM PowerVM VIOS<=4.1

Aug 15, 2026

CVE Published

via IBM·12:00 AM

Data Sourced

via IBM·12:00 AM

DescriptionAffected Software

This vulnerability appears in the following advisories.

Yes. The issue is described as requiring a local attacker, so exposure is limited to attackers who can obtain local access to an affected system.

Assess IBM AIX and IBM PowerVM VIOS systems, as both are listed as affected software.