Buffer overflow in IBM Security Verify Access
CVE-2026-12109
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 could allow an attacker with administrative privileges and access to the local management interface to execute arbitrary code due to an unbounded write to a fixed-size stack buffer.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/7291628 (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-12109?
- CVE-2026-12109 is a medium-severity vulnerability in IBM Security Verify Access, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-10-08.
- How severe is CVE-2026-12109?
- Medium severity. CVSS v3 base score is 5.5 out of 10.