CVE-2026-16703: CWE-269 Improper Privilege Management in IBM AIX
CVE-2026-16703 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, involving improper privilege management. This flaw could allow a local attacker with limited privileges to gain elevated privileges on the affected systems. The vulnerability is classified under CWE-269, indicating improper privilege management. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild.
AI Analysis
Technical Summary
This vulnerability in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1, arises from improper privilege management (CWE-269). It allows a local attacker with low privileges to escalate their privileges to a higher level, potentially leading to full system compromise. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The attack vector is local, requiring low attack complexity and no user interaction. The vulnerability is published but lacks a vendor-provided remediation or patch at this time.
Potential Impact
Successful exploitation could result in a local attacker gaining elevated privileges, compromising system confidentiality, integrity, and availability. This could allow unauthorized actions at a higher privilege level than intended, potentially leading to full system control.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious privilege escalation attempts.
CVE-2026-16703: CWE-269 Improper Privilege Management in IBM AIX
Description
CVE-2026-16703 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, involving improper privilege management. This flaw could allow a local attacker with limited privileges to gain elevated privileges on the affected systems. The vulnerability is classified under CWE-269, indicating improper privilege management. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild.
CVSS v3.1
Score 7.8high
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 in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1, arises from improper privilege management (CWE-269). It allows a local attacker with low privileges to escalate their privileges to a higher level, potentially leading to full system compromise. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The attack vector is local, requiring low attack complexity and no user interaction. The vulnerability is published but lacks a vendor-provided remediation or patch at this time.
Potential Impact
Successful exploitation could result in a local attacker gaining elevated privileges, compromising system confidentiality, integrity, and availability. This could allow unauthorized actions at a higher privilege level than intended, potentially leading to full system control.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious privilege escalation attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-23T01:40:07.744Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a85c706acd9273b493b2ff0
Added to database: 08/19/2026, 15:08:54 UTC
Last enriched: 08/19/2026, 15:38:38 UTC
Last updated: 08/19/2026, 17:55:35 UTC
Views: 3
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