CVE-2026-16849 — MEDIUM (4.3)

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 an improper check for an array index boundary.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Related Weaknesses (CWE)

CWE-129

References

https://www.ibm.com/support/pages/node/7283858

FAQ

What is CVE-2026-16849?

CVE-2026-16849 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 an improper check for an array index boundary.

How severe is CVE-2026-16849?

CVE-2026-16849 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16849?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.