CVE-2026-17141: CWE-787 Out-of-bounds Write in IBM AIX
CVE-2026-17141 is a critical vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, involving an out-of-bounds write (buffer overflow) that could allow remote attackers to execute arbitrary code without authentication.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-787, affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It is caused by a buffer overflow condition that enables a remote attacker to execute arbitrary code on the affected system. The CVSS v3.1 base score is 9.8, indicating a critical severity with network attack vector, no privileges required, and no user interaction needed. The vulnerability is publicly known and published but currently lacks an official remediation or patch from IBM. There are no known exploits in the wild at this time.
Potential Impact
Successful exploitation could lead to full compromise of the affected IBM AIX systems, including complete confidentiality, integrity, and availability loss. Remote attackers can execute arbitrary code, potentially gaining control over the system without any authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, organizations should monitor IBM security advisories closely and consider applying any recommended temporary mitigations or workarounds provided by IBM. No official patch or temporary fix is currently documented.
CVE-2026-17141: CWE-787 Out-of-bounds Write in IBM AIX
Description
CVE-2026-17141 is a critical vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, involving an out-of-bounds write (buffer overflow) that could allow remote attackers to execute arbitrary code without authentication.
CVSS v3.1
Score 9.8critical
Affected software
cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.2.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1.0:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-787, affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It is caused by a buffer overflow condition that enables a remote attacker to execute arbitrary code on the affected system. The CVSS v3.1 base score is 9.8, indicating a critical severity with network attack vector, no privileges required, and no user interaction needed. The vulnerability is publicly known and published but currently lacks an official remediation or patch from IBM. There are no known exploits in the wild at this time.
Potential Impact
Successful exploitation could lead to full compromise of the affected IBM AIX systems, including complete confidentiality, integrity, and availability loss. Remote attackers can execute arbitrary code, potentially gaining control over the system without any authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, organizations should monitor IBM security advisories closely and consider applying any recommended temporary mitigations or workarounds provided by IBM. No official patch or temporary fix is currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T17:15:48.410Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a877ac3acd9273b4930259c
Added to database: 08/20/2026, 22:08:03 UTC
Last enriched: 08/20/2026, 22:38:23 UTC
Last updated: 08/20/2026, 22:52:08 UTC
Views: 2
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