# CVE-2026-12150

## Summary

- **CVE ID:** CVE-2026-12150
- **Severity:** HIGH
- **CVSS Score:** 7 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H)
- **CWE:** CWE-121
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 17, 2026

## Description

IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker with a trusted TLS client certificate to cause a denial of service and potentially affect memory contents due to improper validation of deeply nested certificate data during TLS certificate processing.

## Affected Products

- IBM — MQ (9.1.0.0)
- IBM — MQ (9.2.0.0)
- IBM — MQ (9.3.0.0)
- IBM — MQ (9.4.0.0)
- IBM — MQ (10.0.0.0)

## References

- [CNA](https://www.ibm.com/support/pages/node/7284911)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 6.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._