CVE-2026-11928: ibm security verify access Out-of-bounds Write
CVSS: 9.8v3.1CriticalAwaiting analysis
Published 15-09-2026Last modified 17-09-2026
Vulnerability summary
CVE-2026-11928 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in ibm security verify access. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.7% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-09-2026PublishedVulnerability first disclosed.
- 17-09-2026Last modifiedVulnerability information updated.
Description
IBM Verify Identity Access is vulnerable to a buffer overflow attack.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 20-09-2026
20-09-202620-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm4 products
- security verify access≥ 10.0.0, ≤ 10.0.9.2 Interim Fix 001
- security_verify_access_container≥ 10.0.0, ≤ 10.0.9.2 Interim Fix 001
- verify identity access≥ 11.0.0, ≤ 11.0.3 Interim Fix 001
- verify_identity_access_container≥ 11.0.0, ≤ 11.0.3 Interim Fix 001
1 vendor · 4 products