SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-47171

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

MEDIUM 6.7EPSS 1.66%

Does this matter?

Lower severity and a low EPSS score (1.66%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1
6.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS
1.66% probability · 75th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/365 apps · microsoft/office · microsoft/office long term servicing channel · microsoft/outlook
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.