CVE-2026-17122: CWE-787 Out-of-bounds Write in IBM AIX
CVE-2026-17122 is a critical vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, involving a stack-based buffer overflow that could allow remote attackers to execute arbitrary code without authentication.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-17122) affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It is a stack-based buffer overflow (CWE-787) that could be exploited remotely by an unauthenticated 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, low attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability. No official patch or remediation information is currently provided by the vendor, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation could lead to complete compromise of the affected system, including arbitrary code execution with potentially full system privileges, resulting in total loss of confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to affected systems and monitor for unusual activity related to this vulnerability.
CVE-2026-17122: CWE-787 Out-of-bounds Write in IBM AIX
Description
CVE-2026-17122 is a critical vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, involving a stack-based 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 (CVE-2026-17122) affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It is a stack-based buffer overflow (CWE-787) that could be exploited remotely by an unauthenticated 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, low attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability. No official patch or remediation information is currently provided by the vendor, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation could lead to complete compromise of the affected system, including arbitrary code execution with potentially full system privileges, resulting in total loss of confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to affected systems and monitor for unusual activity related to this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T16:25:50.207Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a877ac3acd9273b49302594
Added to database: 08/20/2026, 22:08:03 UTC
Last enriched: 08/20/2026, 22:38:44 UTC
Last updated: 08/20/2026, 23:19:27 UTC
Views: 3
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