CVE-2026-16883: CWE-125 Out-of-bounds Read in IBM AIX
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to obtain sensitive information due to an out-of-bounds read.
AI Analysis
Technical Summary
This vulnerability is an out-of-bounds read issue in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It allows a local attacker with low privileges to read memory beyond intended boundaries, potentially exposing sensitive information. The CVSS v3.1 base score is 5.5, reflecting medium severity with high confidentiality impact but no integrity or availability impact. The vulnerability is local attack vector with low complexity and no user interaction required. No official remediation or patch information is currently available.
Potential Impact
A local attacker with low privileges could exploit this vulnerability to read sensitive information from memory, potentially leading to information disclosure. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to trusted users only and monitor for any unusual activity related to this vulnerability.
CVE-2026-16883: CWE-125 Out-of-bounds Read in IBM AIX
Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to obtain sensitive information due to an out-of-bounds read.
CVSS v3.1
Score 5.5medium
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 is an out-of-bounds read issue in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It allows a local attacker with low privileges to read memory beyond intended boundaries, potentially exposing sensitive information. The CVSS v3.1 base score is 5.5, reflecting medium severity with high confidentiality impact but no integrity or availability impact. The vulnerability is local attack vector with low complexity and no user interaction required. No official remediation or patch information is currently available.
Potential Impact
A local attacker with low privileges could exploit this vulnerability to read sensitive information from memory, potentially leading to information disclosure. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to trusted users only and monitor for any unusual activity related to this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T04:52:35.193Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a86e0f8acd9273b49838598
Added to database: 08/20/2026, 11:11:52 UTC
Last enriched: 08/20/2026, 11:16:06 UTC
Last updated: 08/20/2026, 20:31:41 UTC
Views: 7
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