CVE-2026-17195: CWE-787 Out-of-bounds Write in IBM AIX
Description
CVE-2026-17195 is an out-of-bounds write vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. This flaw could allow a local attacker to cause a denial of service condition. The vulnerability does not impact confidentiality or integrity but affects availability.
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 (CWE-787) involves an out-of-bounds write in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. A local attacker with low privileges could exploit this flaw to cause a denial of service by corrupting memory outside the intended buffer boundaries. The CVSS 3.1 base score is 6.5, reflecting a medium severity with local attack vector, low attack complexity, and no user interaction required. The scope is changed, indicating impact beyond the vulnerable component, but no confidentiality or integrity impact is noted.
Potential Impact
Successful exploitation results in denial of service, impacting system availability. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild.
Mitigation Recommendations
No patch or remediation information is currently provided. 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 to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T19:04:11.707Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a877ac5acd9273b493025c0
Added to database: 08/20/2026, 22:08:05 UTC
Last enriched: 09/11/2026, 03:48:10 UTC
Last updated: 10/05/2026, 06:48:14 UTC
Views: 46
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.