---
id: CVE-2026-70125
title: Microsoft Office Outlook Remote Code Execution Vulnerability
summary: Microsoft Office Outlook Remote Code Execution Vulnerability
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
vendor: Microsoft
product: Microsoft 365 Apps for Enterprise
affected:
  - '365_apps_for_enterprise >= 16.0.1 < https://aka.ms/OfficeSecurityReleases'
  - 'office_ltsc_2021 >= 16.0.1 < https://aka.ms/OfficeSecurityReleases'
  - 'office_ltsc_2024 >= 16.0.0 < https://aka.ms/OfficeSecurityReleases'
published: '2026-09-23'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T04:17:40.740'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-70125'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70125'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-24T13:25:58.541767Z'
epss: 0.00442
epssPercentile: 0.35741
ingestedAt: '2026-09-23T23:34:46.856Z'
---

## Overview

Microsoft Office Outlook Remote Code Execution Vulnerability

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.