CVE-2025-47171

Microsoft Outlook Remote Code Execution Vulnerability

Description

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

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Office 2019
Affected: Microsoft Microsoft 365 Apps for Enterprise
Affected: Microsoft Microsoft Office LTSC 2021
Affected: Microsoft Microsoft Office LTSC 2024
Affected: Microsoft Microsoft Outlook 2016
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47171 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-47171?
CVE-2025-47171 has been scored as a medium severity vulnerability.
How to fix CVE-2025-47171?
To fix CVE-2025-47171, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-47171 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-47171 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-47171?
CVE-2025-47171 affects Microsoft Microsoft Office 2019, Microsoft Microsoft 365 Apps for Enterprise, Microsoft Microsoft Office LTSC 2021, Microsoft Microsoft Office LTSC 2024, Microsoft Microsoft Outlook 2016.
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