MSRC-CVE-2025-27744 — Microsoft Office Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.

What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Security updates
16.0.5495.1000 — https://support.microsoft.com/kb/5002669

Vulnerabilities 1

High 7.8

CVE-2025-27744

Microsoft Office Elevation of Privilege Vulnerability

Improper access control in Microsoft Office allows an authorized attacker to elevate privileges locally.

Microsoft Microsoft Office 2016

Apr 8, 2025

Revision history

2025-04-08 #1
Information published.

References

CVE-2025-27744 Microsoft Office Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27744
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss