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Back to active CVEs
High · CVSS 8.8CVE-2026-16932

Vulnerabilities in IBM AIX and PowerVM VIOSCVE-2026-16932

Answer in brief

CVE-2026-16932 records a High severity (CVSS 8.8) vulnerability in Vulnerabilities in IBM AIX and PowerVM VIOS. The current sources do not mark it as known exploited. The current feed maps IBM/AIX (generic), IBM/PowerVM VIOS (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 20, 2026Updated Aug 24, 2026Source checked Oct 4, 2026First seen by HOL Aug 20, 2026Material review Aug 24, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.8
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps IBM/AIX (generic), IBM/PowerVM VIOS (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
IBM/AIXgeneric7.2 || 7.3Not reported
IBM/PowerVM VIOSgeneric4.1Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for IBM/AIX, IBM/PowerVM VIOS.
  2. 2Review the reported fix. Source-reported solution: A.  APARS IBM has assigned the following APARs to this problem: AIX LevelAPARAvailability  SPKEY7.2.5IJ5956608/14/2026SP13key_w_apar7.3.2IJ5956508/14/2026SP05key_w_apar7.3.3IJ5956408/14/2026SP03key_w_apar7.3.4IJ59563 08/14/2026SP02key_w_apar VIOS LevelAPARAvailability SPKEY4.1.0IJ5956508/14/20264.1.0.50key_w_apar4.1.1IJ5956408/14/20264.1.1.30key_w_apar4.1.2IJ5956308/14/20264.1.2.20key_w_apar B.  FIXES IBM strongly recommends addressing the vulnerability now.  AIX and VIOS fixes are available and can be downloaded from Fix Central: https://www.ibm.com/support/fixcentral  An LPAR reboot is required to complete the SP/FP update. On AIX, Live Update can be used to avoid a reboot.  IBM has assigned the following AIX Service Packs (SPs) and VIOS Fix Packs (FPs) as the remediation levels for the published vulnerabilities. AIX Level Service PackAIX 7.3 TL04SP2AIX 7.3 TL03SP3AIX 7.3 TL02SP5AIX 7.2 TL05 SP13 PowerVM VIOS LevelFix PackVIOS 4.1.2 4.1.2.20VIOS 4.1.1 4.1.1.30VIOS 4.1.0  4.1.0.50 Note: These SPs/FPs are cumulative and include fixes for all previously published AIX/VIOS security vulnerabilities. They can be applied on top of any earlier affected level of the TL . Note: To apply these patches using nimsh secure, special steps must be taken as the protocol between master and client is updated to be more secure. Please read this article: https://www.ibm.com/support/pages/node/7283157 Note: For VIOS 4.1.0 and VIOS 4.1.1, additional steps are required to migrate to the latest Postgres15 after applying the 4.1.1.30 or 4.1.0.50 FPs above. Instructions to do that can be found here:                             4.1.0.50 post-update instructions: https://www.ibm.com/support/pages/node/7283819           4.1.1.30 post-update instructions: https://www.ibm.com/support/pages/node/7283823

Evidence timeline and material changes

  1. Published upstream

    Aug 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 20, 2026

Sources and claim methodology

  • Source referenceibm.com
Upstream source description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary commands due to improper validation of the ODMDIR environment variable.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Command Injection
EPSS
Not reported
CWE IDs
CWE-78
Source
CVE List V5
Source checked
Oct 4, 2026
References
1 linked source
Open source record