CVE-2026-18670

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service and potentially disclose sensitive information due to an integer underflow.

CVSS 3.1

9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-25)

CWEs

CWE-191, CWE-190

Published

2026-08-20

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• ibm:aix
• ibm:vios

References

• https://www.ibm.com/support/pages/node/7283858

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