CVE-2026-10747CWE-122

CVE-2026-10747

Critical · published September 18, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
46.4
In the wild
Unconfirmed
What it is

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00570 · 46.4th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-18T20:17Z
References (1)
https://www.ibm.com/support/pages/node/7284690 · [email protected]
EPSS history
Timeline
  • 20 SEP 03:21Z
    EPSS moved — → 1%
    epss
  • 18 SEP 15:55Z
    IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing
    cvelistv5