CVE-2025-47171 json
Microsoft Outlook Remote Code Execution Vulnerability
published 2025-06-10 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-17728
- cvss
- 6.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 1
- Exploit-DB
Summary
Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.
Patch / fix
- Microsoft Microsoft Outlook 2016 16.0.5504.1000
Timeline
- Published
- First public exploit (EDB-52356)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 16 mo ago
Exploit prediction
1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-52356 Microsoft Outlook - Remote Code Execution (RCE) remote, 2025-07-08
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft 365 Apps for Enterprise
- Microsoft Microsoft Office 2019
- Microsoft Microsoft Office LTSC 2021
- Microsoft Microsoft Office LTSC 2024
- Microsoft Microsoft Outlook 2016
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-47171
vendor-advisory, patch
Sources
- CVE List CVE-2025-47171
- NVD CVE-2025-47171
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.