CVE-2025-47171
Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.7%. Treat it as high on anything reachable from the internet.
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
- 1.68% probability · 77th percentile
- Public exploits
- 1 in Exploit-DB · first 8 July 2025
- 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
EPSS 1.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.