CVE-2025-47173

HIGH

Microsoft 365 Apps and Office - Local Code Execution via Improper Input Validation

Title source: llm

Improper input validation in Microsoft Office allows an unauthorized attacker to execute code locally.

Core 1

Core References

Broken Link vendor-advisory patch

CVSS v3 7.8

EPSS 0.0074

EPSS Percentile 73.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-641

Status published

Products (5)

microsoft/365_apps

microsoft/office 2016

microsoft/office 2019

microsoft/office_long_term_servicing_channel 2021 (2 CPE variants)

microsoft/office_long_term_servicing_channel 2024 (2 CPE variants)

Published Jun 10, 2025

Tracked Since Feb 18, 2026