CVE-2025-54906CWE-416

Microsoft Office Remote Code Execution Vulnerability

High · published September 9, 2025

CVSS v3.1
7.8
EPSS
1%
Percentile
54.9
In the wild
Unconfirmed
What it is

Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00763 · 54.9th percentile
Weakness
CWE-416 · Use After Free
Published
2025-09-09T17:00Z
EPSS history
Timeline
  • 09 SEP 17:00Z
    Microsoft Office Remote Code Execution Vulnerability
    cvelistv5