CVE-2026-18846

7.5 highEPSS 0.5%

High (7.5) in ibm i. EPSS 0.5% chance of exploitation in the next 30 days.

IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a buffer overflow from improperly validating client data. By sending malformed requests to one of the host servers, a remote attacker could leverage this vulnerability to cause a denial-of-server (DoS) for that server.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2026-08-13
Modified: 2026-08-17
Record from: the NVD, synced 2026-10-19

Affected

ibm:i

References

https://www.ibm.com/support/pages/node/7283578

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