CVE-2026-18832

HIGH CVSS 3.1: 8.8 EPSS 0.41%
Updated Aug 22, 2026
IBM
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-787 (Out-of-bounds Write)
Vendor IBM
Public PoC No

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a heap-based buffer overflow.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products

ibm:powervm vios ibm:aix