CVE-2026-16903: IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code or cause a…
CVE-2026-16903 · Severity: critical · CVSS 9.6 · Published 2026-08-19
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code or cause a denial of service due to an out-of-bounds write.
No. Junglewise Threat Intelligence has no report of CVE-2026-16903 being exploited in the wild.
How severe is CVE-2026-16903?
Critical severity, with a CVSS score of 9.6, published 19 August 2026.
Which products and versions are affected?
IBM Aix, IBM Vios. The advisory does not name versions.
Is there a fix for CVE-2026-16903?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-16903?
Check whether you run IBM Aix or IBM Vios. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.