VulnerabilityAnalyzed

CVE-2026-16951

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.

MEDIUM 6.7EPSS 0.13%

Does this matter?

Lower severity and a low EPSS score (0.13%). Track it; it rarely justifies an emergency change on its own.

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.

CVSS 3.1: 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.13% probability · 3th percentile
CISA KEV: Not listed
Weakness: CWE-787
Affected: ibm/vios · ibm/aix
Source: psirt@us.ibm.com

References

https://www.ibm.com/support/pages/node/7283858Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.