# CVE-2026-70125 — Microsoft 365 Apps for Enterprise

> As of 2026-09-25, CVE-2026-70125 is a HIGH-severity vulnerability in Microsoft 365 Apps for Enterprise, CVSS v3.1 8.8, EPSS 0.4% (35.6th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-70125, most recently “Microsoft Office / Microsoft 365 Apps for Enterprise Remote Code Execution Vulnerability (CVE-2026-70125)”.

**Last updated:** 2026-09-25

## What is CVE-2026-70125?

Microsoft Outlook Remote Code Execution Vulnerability

Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 3 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.8 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C`)
- **EPSS (FIRST):** 0.4% probability of exploitation in the next 30 days, higher than 35.6% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-23, last modified 2026-09-25

## Is CVE-2026-70125 being exploited?

It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **Microsoft**: 365 Apps for Enterprise, Office LTSC 2021, Office LTSC 2024

## How to fix CVE-2026-70125

No vendor patch reference has been recorded for CVE-2026-70125 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-70125

1 tracked threat in the Threadlinqs corpus references CVE-2026-70125, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Microsoft Office / Microsoft 365 Apps for Enterprise Remote Code Execution Vulnerability (CVE-2026-70125)](https://intel.threadlinqs.com/threat/TL-2026-2659) — HIGH · 2026-09-26

## Sources

Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on 2026-09-25. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [msrc.microsoft.com — vendor advisory](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70125)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-70125
Full detection coverage and IOCs for threats exploiting CVE-2026-70125 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp