CVE-2026-17218
CRITICALCVSS 9.8/10EPSS 0.55%
Last modified
CVE-2026-17218 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | I | >= 7.3, <= 7.6 |
References
- https://www.ibm.com/support/pages/node/7283277Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-17218?
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write.
How severe is CVE-2026-17218?
CVE-2026-17218 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2026-17218?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-17206IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker t…9.8
- CVE-2026-17207IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker t…9.1
- CVE-2026-17209IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote …5.4
- CVE-2026-1721Summary A Reflected Cross-Site Scripting (XSS) vulnerabilit…6.2
- CVE-2026-17212IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker t…5.3
- CVE-2026-17216IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker t…5.3
- CVE-2026-1722The WCFM Marketplace – Multivendor Marketplace for WooCommer…5.3
- CVE-2026-17220IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker t…8.2
- CVE-2026-17222IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authentica…4.3
- CVE-2026-17223IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authentica…8.8
- CVE-2026-17226IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authentica…5.4
- CVE-2026-17227IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote …6.5
Are you affected by CVE-2026-17218?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST