All vulnerabilities
CVE-2026-70125

Microsoft Office Outlook Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for EnterpriseApplications & CMS
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.43%Chance of exploitation activity in the next 30 days, higher than 36% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published23 Sep 2026Updated 14 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Affected versions 3

  • Microsoft 365 Apps for Enterpriseaffected: 16.0.1 before https://aka.ms/OfficeSecurityReleasesCVE List
  • Microsoft Office LTSC 2021affected: 16.0.1 before https://aka.ms/OfficeSecurityReleasesCVE List
  • Microsoft Office LTSC 2024affected: 16.0.0 before https://aka.ms/OfficeSecurityReleasesCVE List

References 1