CVE-2026-16964: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in IBM AIX
Description
CVE-2026-16964 is a medium severity vulnerability affecting IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. It involves the exposure of sensitive information to unauthorized actors, which could allow a remote attacker to intercept messages and forge replies. The vulnerability is classified under CWE-200, indicating an exposure of sensitive information. There are no known exploits in the wild, and no official patch or remediation details are provided in the available data.
CVSS v3.1
Score 6.5medium
Affected software
IBM
AIX
IBM
PowerVM VIOS
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-2026-16964) affects IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. It allows a remote attacker to intercept sensitive messages and forge replies due to exposure of sensitive information. The CVSS 3.1 base score is 6.5 (medium severity) with attack vector network, low attack complexity, no privileges required, no user interaction, and impacts confidentiality and integrity but not availability. The weakness is categorized as CWE-200 (Exposure of Sensitive Information). No vendor advisory or patch information is provided.
Potential Impact
The vulnerability could lead to unauthorized disclosure of sensitive information and allow an attacker to forge replies, potentially compromising confidentiality and integrity of communications. There is no indication of impact on system availability. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fixes or workarounds are provided in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T08:19:23.398Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a877782acd9273b492c5d35
Added to database: 08/20/2026, 21:54:10 UTC
Last enriched: 09/11/2026, 04:03:46 UTC
Last updated: 10/05/2026, 06:48:14 UTC
Views: 31
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