IBM MQ queue manager is vulnerable to privilege escalation

published 2026-09-18 51 d ago modified 2026-09-22 47 d ago also EUVD-2026-83292

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in MQINQ request processing.

Patch / fix

links 1

ibm.com/support/pages/node/7284944 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 49 d ago (2026-09-21)

Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

IBM MQ

Classification

Weakness

CWE-190 Integer Overflow or Wraparound

References

ibm.com /support/pages/node/7284944
vendor-advisory, patch

Sources

CVE List CVE-2026-11725
NVD CVE-2026-11725

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary