What is CVE-2026-16890?

CVE-2026-16890 is a low-severity vulnerability in IBM Aix, classified under Integer Overflow or Wraparound. CVSS score: 3.6/10. Published 2026-08-19.

How severe is CVE-2026-16890?

Low severity. CVSS v3 base score is 3.6 out of 10.

Integer overflow in IBM Aix

CVE-2026-16890

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to obtain sensitive information or cause a denial of service due to an integer overflow.

Vulnerability class: Integer Overflow

CVSS v3 metric

CVSS v3 base score 3.6 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L.

Affected products

Ibm Aix — versions 7.2, 7.3
Ibm Powervm Vios — versions 4.1
Ibm Vios

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

psirt@us.ibm.com (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-16890?: CVE-2026-16890 is a low-severity vulnerability in IBM Aix, classified under Integer Overflow or Wraparound. CVSS score: 3.6/10. Published 2026-08-19.
How severe is CVE-2026-16890?: Low severity. CVSS v3 base score is 3.6 out of 10.