CVE-2026-18142
High
Description
IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow a remote authenticated attacker to cause a denial of service and perform limited memory corruption due to an integer overflow.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Ibm Mq
PublishedNov 4, 2026
First seenNov 4, 2026
Weakness typeCWE-190Integer overflow
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm mq | 9.2.0.0 ≤ v ≤ 9.2.0.44, 9.3.0.0 ≤ v ≤ 9.3.0.42, 9.4.0.0 ≤ v ≤ 9.4.0.26, 9.4.0.0 ≤ v ≤ 9.4.5.1, 10.0.0.0 ≤ v ≤ 10.0.0.5 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.