CVE-2026-81858

IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to cause a denial of service and obtain information due to an out-of-bounds read in the File Server.

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-25)

CWE

CWE-125

Published

2026-10-13

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• ibm:i

References

• https://www.ibm.com/support/pages/node/7290195

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