CVE-2026-16926

CRITICAL 9.1CVE-2026-16926 · Published 20/08/2026 · updated 26/10/2026

In short

CVE-2026-16926 is a CRITICAL (CVSS 9.1) vulnerability affecting vios (ibm).
Chance of exploitation in the next 30 days (EPSS): 0.56%, higher than 46.9% of all vulnerabilities.
Fix: update to 4.1.0.50, 4.1.1.30, 4.1.2.20 or later.

Package	Affected versions	Patched versions
vios ibm	`≥ 4.1.0, < 4.1.0.50≥ 4.1.1.0, < 4.1.1.30≥ 4.1.2.0, < 4.1.2.20`	`4.1.0.504.1.1.304.1.2.20`

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to overwrite arbitrary files due to improper neutralization of special elements in input.

References

ibm.com/support/pages/node/7283858 · Vendor Advisory

More vulnerabilities in vios

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

vios

ibm

≥ 4.1.0, < 4.1.0.50≥ 4.1.1.0, < 4.1.1.30≥ 4.1.2.0, < 4.1.2.20

4.1.0.504.1.1.304.1.2.20

More vulnerabilities in vios

See all →