# CVE-2026-12728

## Summary

- **CVE ID:** CVE-2026-12728
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **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 an authenticated attacker to execute arbitrary code due to a deserialization of untrusted data.

## 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/7284942)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.64%
- **EPSS Percentile:** 49.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._