CVE-2025-47171
Microsoft Outlook Remote Code Execution Vulnerability
At a glance
- Severity
- MEDIUM 6.7
- EPSS
- EPSS 1.68 % · percentile 77 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 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 | microsoft |
| CVSS 3.1 | MEDIUM 6.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H | NVD · secure@microsoft.com (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2025-17728
- GCVE · GCVE-0-2025-47171
CERT-FR advisories
- CERTFR-2025-AVI-0498 — Multiples vulnérabilités dans Microsoft Office · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:*:*:*cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Microsoft · Microsoft 365 Apps for Enterprise | affected 16.0.1 < https://aka.ms/OfficeSecurityReleases |
| Microsoft · Microsoft Office 2019 | affected 19.0.0 < https://aka.ms/OfficeSecurityReleases |
| Microsoft · Microsoft Office LTSC 2021 | affected 16.0.1 < https://aka.ms/OfficeSecurityReleases |
| Microsoft · Microsoft Office LTSC 2024 | affected 16.0.0 < https://aka.ms/OfficeSecurityReleases |
| Microsoft · Microsoft Outlook 2016 | affected 16.0.0.0 < 16.0.5504.1000 |
References
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |