1. Home
  2. CVE Database
  3. CVE-2026-16817
HIGH · 7.5

CVE-2026-16817

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to a NULL pointer dereference.

Vulnerability Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to a NULL pointer dereference.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
IbmVios>= 4.1.0, < 4.1.0.50
IbmAix>= 7.2.5, <= 7.2.5.212

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2026-16817?

CVE-2026-16817 is a vulnerability with a CVSS score of 7.5 (HIGH). IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to a NULL pointer dereference.

How severe is CVE-2026-16817?

CVE-2026-16817 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16817?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Vios, Ibm Aix.