Patch Forecast
Amber warning
Patch this week.

CVE-2026-10572

Ibm Mq Operator: heap buffer overflow can lead to remote code execution

Risk score
60/100
CVSS
8.8 v3.1
Exploit chance (30 days)
0.4%
Published
19 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow when processing MQPUT operations with malformed message options.
Affected
Ibm Mq Operator
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Story map

Story map: Ibm Mq OperatorTHE FLAWSTHE FIXCVE-2026-10572Heap buffer overflow can leadto remote code executionCVSS 8.8 · EPSS 0%CVE-2026-12665Stack buffer overflow can leadto remote code executionCVSS 9.8 · EPSS 0%CVE-2026-10574Heap buffer overflow can leadto remote code executionCVSS 8.8 · EPSS 0%CVE-2026-12148Unsafe deserialisation can leadto remote code executionCVSS 8.8 · EPSS 0%FixCheck the linked advisory fordetails on the fix.Who is exposed{'product': 'IBM MQ', 'package':'N/A', 'version': 'N/A'}AMBER · PATCH THIS WEEKIbm Mq OperatorIBM MQ has a stack bufferoverflow vulnerability whenprocessing TLS certificateswith malformed distinguishednames, allowing a remoteattacker to execute arbitrarycode.Where it standsNo known exploitationCONNECTS TOSame weaknessHeap buffer overflow (CWE-122)398 other warnings in 30 days →Same productEarlier Ibm Mq Operator warnings11 in the last 90 days →
Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Ibm Mq Operator: Amber, patch this week. IBM MQ has a stack buffer overflow vulnerability when processing TLS certificates with malformed distinguished names, allowing a remote attacker to execute arbitrary code.

The flaws

  • CVE-2026-10572: Heap buffer overflow can lead to remote code execution (CVSS 8.8 · EPSS 0%)
  • CVE-2026-12665: Stack buffer overflow can lead to remote code execution (CVSS 9.8 · EPSS 0%)
  • CVE-2026-10574: Heap buffer overflow can lead to remote code execution (CVSS 8.8 · EPSS 0%)
  • CVE-2026-12148: Unsafe deserialisation can lead to remote code execution (CVSS 8.8 · EPSS 0%)

The fix

Fix: Check the linked advisory for details on the fix.

Who is exposed: {'product': 'IBM MQ', 'package': 'N/A', 'version': 'N/A'}

Where it stands

  • No known exploitation

Connects to

Why it is Amber

  • CVSS 8.8 high

References

Original description

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow when processing MQPUT operations with malformed message options.

Last activity 19 Oct 2026. Patch Forecast updates every hour.