CVE-2026-16821highCWE-134

CVE-2026-16821: high-severity vulnerability in IBM AIX

Vulnerabilities in IBM AIX and PowerVM VIOS

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7epss 0.1%
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to a format string vulnerability.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
IBM · AIXIBM · PowerVM VIOS
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