← Vulnerability feed

Vulnerability record · CVE-2026-10027 · published 18 September 2026

CVE-2026-10027: Ibm mq out-of-bounds write vulnerability

Ibm · Mq

IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.

9.8 CVSS 3.1 Critical EPSS 0.38% · top 70.5% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
23 Sep 2026Last modified by NVD

Description

IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.ibm.com/support/pages/node/7284893 PatchVendor Advisory

Track CVE-2026-10027 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-4682Ibm mq deserialization of untrusted data vulnerabilityIBM MQ 7.5, 8.0, 9.0, 9.1, 9.2 LTS, and 9.2 CD could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserializa…EPSS 7.8%9.1CVE-2022-22489Ibm mq xml external entity (xxe) vulnerabilityIBM MQ 8.0, (9.0, 9.1, 9.2 LTS), and (9.1 and 9.2 CD) are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A rem…EPSS 1.7%8.8CVE-2026-10853Ibm mq vulnerabilityIBM MQ could allow an authenticated attacker with cluster access to cause a denial of service or potentially execute arbitrary code due to improper v…EPSS 0.37%8.8CVE-2026-11375Ibm mq heap-based buffer overflow vulnerabilityIBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when p…EPSS 0.35%8.8CVE-2026-11378Ibm mq integer overflow vulnerabilityIBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in distrib…EPSS 0.34%8.8CVE-2026-10575Ibm mq heap-based buffer overflow vulnerabilityIBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when proce…EPSS 0.28%8.8CVE-2024-31912Ibm mq vulnerabilityIBM MQ 9.3 LTS and 9.3 CD could allow an authenticated user to escalate their privileges under certain configurations due to incorrect privilege assi…EPSS 0.42%7.5CVE-2025-36128Ibm mq vulnerabilityIBM MQ 9.1, 9.2, 9.3, 9.4 LTS and 9.3, 9.4 CD is vulnerable to a denial of service, caused by improper enforcement of the timeout on individual read …EPSS 0.54%

Source: NIST National Vulnerability Database (record CVE-2026-10027), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.