CVE-2026-11727CWE-122

CVE-2026-11727

High · published September 19, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
37.4
In the wild
Unconfirmed
What it is

IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 IBM MQ C client could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of queue manager responses when requesting AMS policy data.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00442 · 37.4th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-19T00:17Z
References (1)
https://www.ibm.com/support/pages/node/7287708 · [email protected]
EPSS history
Timeline
  • 20 SEP 03:21Z
    EPSS moved — → 1%
    epss
  • 18 SEP 19:17Z
    IBM MQ for HPE NonStop is vulnerable to a denial of service issue
    cvelistv5