CVE-2026-17029: CWE-787 Out-of-bounds Write
CVE-2026-17029 is a high-severity vulnerability in IBM i versions 7.3 through 7.6 that allows a local attacker to execute arbitrary code due to an out-of-bounds write condition. This vulnerability affects IBM i 7.3, 7.4, 7.5, and 7.6. The flaw could lead to complete compromise of confidentiality, integrity, and availability of the affected system. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
IBM i versions 7.3, 7.4, 7.5, and 7.6 contain an out-of-bounds write vulnerability (CWE-787) that can be exploited by a local attacker to execute arbitrary code. This vulnerability is identified as CVE-2026-17029 and has a CVSS 3.1 base score of 8.8, indicating high severity. The attack vector requires local access with low privileges and no user interaction. The vulnerability impacts confidentiality, integrity, and availability with a scope change. As of the published date, no official patch or remediation level has been provided by IBM.
Potential Impact
Successful exploitation of this vulnerability allows a local attacker with low privileges to execute arbitrary code on the affected IBM i system, potentially leading to full system compromise including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been provided by IBM at this time.
CVE-2026-17029: CWE-787 Out-of-bounds Write
Description
CVE-2026-17029 is a high-severity vulnerability in IBM i versions 7.3 through 7.6 that allows a local attacker to execute arbitrary code due to an out-of-bounds write condition. This vulnerability affects IBM i 7.3, 7.4, 7.5, and 7.6. The flaw could lead to complete compromise of confidentiality, integrity, and availability of the affected system. No official patch or remediation guidance is currently available from the vendor.
CVSS v3.1
Score 8.8high
Affected software
IBM
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM i versions 7.3, 7.4, 7.5, and 7.6 contain an out-of-bounds write vulnerability (CWE-787) that can be exploited by a local attacker to execute arbitrary code. This vulnerability is identified as CVE-2026-17029 and has a CVSS 3.1 base score of 8.8, indicating high severity. The attack vector requires local access with low privileges and no user interaction. The vulnerability impacts confidentiality, integrity, and availability with a scope change. As of the published date, no official patch or remediation level has been provided by IBM.
Potential Impact
Successful exploitation of this vulnerability allows a local attacker with low privileges to execute arbitrary code on the affected IBM i system, potentially leading to full system compromise including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been provided by IBM at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T11:19:51.070Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7e2503bf8831d539bec0e7
Added to database: 08/13/2026, 20:11:47 UTC
Last enriched: 08/21/2026, 14:06:29 UTC
Last updated: 09/26/2026, 01:47:40 UTC
Views: 42
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.