Threat Intelligence / CVE / CVE-2026-70125

CVE-2026-70125 — Microsoft 365 Apps for Enterprise

CVSS v3.1 8.8 (HIGH) · EPSS 0.4% (higher than 35.6% of all scored CVEs) · Priority 5.8/10 · Published 2026-09-23

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) — 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

Full detection coverage & IOCs for threats exploiting CVE-2026-70125 are available via the Threadlinqs MCP server (Purple tier). View plans →

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