CVE-2026-16943 — HIGH (8.2)

Vulnerability Description

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

CVSS Score

8.2

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-787

References

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

FAQ

What is CVE-2026-16943?

CVE-2026-16943 is a vulnerability with a CVSS score of 8.2 (HIGH). IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary code due to a heap-based buffer overflow.

How severe is CVE-2026-16943?

CVE-2026-16943 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16943?

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