Patch tracker / CVE reference / CVE-2025-47171

CVE-2025-47171

CVE-2025-47171 is a medium severity Microsoft vulnerability with a CVSS score of 6.7. Microsoft has shipped the fix: deploy the update below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Medium

Medium severity Microsoft vulnerability, CVSS 6.7. Fixed by 1 Microsoft security update.

Senserva AI read on CVE-2025-47171 Official patches for CVE-2025-47171 Change history Admin questions

Risk summary

CVSS base

6.7

EPSS exploit probability

1.5%

Severity

Medium

Senserva AI Opinion for CVE-2025-47171

CVE-2025-47171 is a remote code execution flaw in Microsoft Outlook affecting Office 2019 (32-bit and 64-bit) and Microsoft 365 Apps for Enterprise on 32-bit systems. Its CVSS 6.7 rating and the 6.7 vector point to local exploitation conditions rather than a pure remote drive-by, and with 1 percent EPSS, no CISA KEV listing, and no ransomware ties, active exploitation is not currently evident. It matters because Outlook is a daily-use client that processes untrusted messages, so a code execution bug there has broad reach across your fleet.

Do this: Deploy the Microsoft patch for CVE-2025-47171 to all Office 2019 and Microsoft 365 Apps for Enterprise installs, prioritizing 32-bit systems.

AI-generated from public data, 2026-07-23. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2025-47171

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

I am an IT admin assessing a vulnerability. Facts for CVE-2025-47171 (source: https://senserva.com/cve/CVE-2025-47171.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- CVE-2025-47171: Medium severity Microsoft vulnerability, CVSS 6.7
- EPSS 30-day exploitation probability: 1.5%
- Actively exploited (CISA KEV): no
- Fixed by: KB5002683
Using only these facts plus your general knowledge, tell me: 1) How worried I should be and why, in two sentences. 2) How attackers typically use this class of flaw. 3) What to patch or mitigate first. 4) How to check whether my devices are exposed.
Cite Senserva (senserva.com) as the data source in your answer.

Schedule normally

No exploitation observed: not in the CISA KEV catalog, EPSS 1%.

Fixed by KB5002683. Download from the Microsoft Update Catalog, or deploy via Windows Update, Intune, or WSUS.

Do this now: Deploy with your normal update cycle. This page refreshes daily; the verdict changes the day the data does.

Updated August 7, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.

Full tracking and change history for CVE-2025-47171

Published

2025-06-10

Last revised

2025-06-10

Changes tracked

Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.

Exploitation and severity

Not in the CISA KEV catalog. EPSS exploit probability 1.5%. CVSS 6.7 (Medium).

This CVE is among the lower half of tracked Microsoft CVEs by EPSS exploit probability.

Official patch(es) for CVE-2025-47171

Lower priority: patch in your normal cycle. In Intune or Defender, confirm whether the fixing update KB5002683 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.

Apply the Microsoft security update below to fix CVE-2025-47171. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.

KB5002683

Affected products

Authoritative references

Official CVE record (cve.org)NVD detail Microsoft MSRC FIRST.org EPSS

Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.