Is CVE-2026-18142 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18142?

CVE-2026-18142 has a CVSS v3 severity of HIGH (7.1).

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CVE-2026-18142

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.