CVE-2026-10743

8.8High

Published 19 Oct 2026 · NVD status: Received · AI triage by gemini-3.8-flash

8.8High

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-1223

Impact

Authenticated network attackers can corrupt memory or crash the service via malicious MQOPEN calls. They require valid credentials to connect to the queue manager.

Root cause

Improper validation of buffer sizes during MQOPEN operations causes memory corruption.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Upgrade IBM MQ to the patched release specified in vendor bulletin 7292667. If patching immediately is not possible, restrict network access to IBM MQ listener ports to trusted hosts only.

shell

$ dspmqver

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

IBM MQ could allow an authenticated attacker to cause a denial of service or corrupt memory due to improper validation of buffer sizes in MQOPEN operations.

References

https://www.ibm.com/support/pages/node/7292667

Source: nvd.nist.gov/vuln/detail/CVE-2026-10743