CVE-2026-97749 PUBLISHED

Microsoft Office Outlook Remote Code Execution Vulnerability

Assigner: microsoft
Reserved: 25.09.2026 Published: 13.10.2026 Updated: 14.10.2026

Double free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 9.8

Product Status

Vendor Microsoft
Product Microsoft 365 Apps for Enterprise
Versions
  • affected from 16.0.1 to https://aka.ms/OfficeSecurityReleases (excl.)
Vendor Microsoft
Product Microsoft Office LTSC 2021
Versions
  • affected from 16.0.1 to 16.0.14334.20974 (excl.)
Vendor Microsoft
Product Microsoft Office LTSC 2024
Versions
  • affected from 16.0.0 to 16.0.17932.21056 (excl.)

References

Problem Types