PatchTheCVECVE-2026-10747: IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary c
CVE-2026-10747 is a critical-severity flaw (CVSS 10.0) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 10.0 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 39%) |
| CISA exploited list | No |
| Weakness | CWE-122 |
| Published | 2026-09-18 |
| Last modified | 2026-09-21 |
Last updated 2026-09-21 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-10747?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-10747 being exploited?
CVE-2026-10747 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-10747 affect?
CVE-2026-10747 affects affected software. Severity is critical (CVSS 10.0). 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.
How urgent is CVE-2026-10747?
Priority 58/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action