CVE-2026-50505CWE-416

Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability

High · published July 14, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
54.2
In the wild
Unconfirmed
What it is

Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00742 · 54.2th percentile
Weakness
CWE-416 · Use After Free
Published
2026-07-14T17:07Z
EPSS history
Timeline
  • 14 JUL 17:07Z
    Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
    cvelistv5