CVE-2026-18669

HIGHCVSS 8.8/10EPSS 0.50%

Last modified

CVE-2026-18669 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. IBM i 7.6, 7.5, 7.4, and 7.3 is vulnerable to a privilege escalation as the result of a remote code execution vulnerability in the activation engine component. An authenticated attacker can execute a maliciously planted script with root authority.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

IBM i 7.6, 7.5, 7.4, and 7.3 is vulnerable to a privilege escalation as the result of a remote code execution vulnerability in the activation engine component. An authenticated attacker can execute a maliciously planted script with root authority.

Metrics

EPSS Probability
0.50%

40.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmI>= 7.3, <= 7.6

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-18669?
IBM i 7.6, 7.5, 7.4, and 7.3 is vulnerable to a privilege escalation as the result of a remote code execution vulnerability in the activation engine component. An authenticated attacker can execute a maliciously planted script with root authority.
How severe is CVE-2026-18669?
CVE-2026-18669 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2026-18669?
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.

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Source: NVD / NIST