Skip to content
OpenAdvisories
High MSRC-CVE-2026-70096 1 CVE

Windows Rich Text Edit Control Remote Code Execution Vulnerability

Published Oct 13, 2026 · Updated Oct 15, 2026 · Revision 2

Vendor: Microsoft

Summary

Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

Details

Are the updates for Microsoft Office LTSC for Mac 2021 and 2024 currently available?
Yes. As of October 15, 2025, the security update for Microsoft Office LTSC for Mac 2021, 2024 and Microsoft Office 365 for Mac are available. Customers running Microsoft Office LTSC for Mac 2021, 2024 and Microsoft Office 365 for Mac should ensure the update is installed to be protected from this vulnerability.

How could an attacker exploit this vulnerability?
An unauthenticated attacker could exploit this vulnerability by sending a specially crafted packet to an affected service over the network. Successful exploitation could allow the attacker to execute code on the target system. No authentication or user interaction is required.

Security updates
10.0.26300.9711 — https://support.microsoft.com/help/5127648
https — https://learn.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
16.0.14334.20974 — https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
10.0.17763.9376 — https://support.microsoft.com/help/5126651
10.0.20348.5761 — https://support.microsoft.com/help/5126655
10.0.19044.7807 — https://support.microsoft.com/help/5126657
10.0.26100.33650 — https://support.microsoft.com/help/5126646
10.0.22631.7652 — https://support.microsoft.com/help/5126653
10.0.28000.3231 — https://support.microsoft.com/help/5127646
10.0.14393.9612 — https://support.microsoft.com/help/5126868
6.2.9200.26434 — https://support.microsoft.com/help/5126835
6.3.9600.23470 — https://support.microsoft.com/help/5126836
16.114.26101123 — https://learn.microsoft.com/en-us/officeupdates/release-notes-office-for-mac

Vulnerabilities 1

Revision history

  1. #2

    Microsoft is announcing the availability of the security updates for Microsoft Office for Mac. Customers running affected Mac software should install the update for their product to be protected from this vulnerability. Customers running other Microsoft Office software do not need to take any action. See the [Release Notes](https://go.microsoft.com/fwlink/p/?linkid=831049) for more information and download links.

  2. #1

    Information published.

References