CVE-2026-10747 CRITICAL

CVE-2026-10747: IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing

Vendor Ibm
Product MQ Appliance
Weakness CWE-122
Published September 18, 2026
Last update September 19, 2026

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.

Key dates

02Disclosure timeline

September 18, 2026 CVE published
September 19, 2026 Record updated