CVE-2025-27744: Microsoft Office Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

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

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2025-Apr

Released

2025-04-08

EPSS Score

0.60% (percentile: 69.4%)

Description

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

FAQ

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.

Affected Products (1)

Microsoft Office

• Microsoft Office 2016 (64-bit edition)

Security Updates (1)

• 5002669

Acknowledgments

<a href="https://twitter.com/sim0nsecurity">Simon (@sim0nsecurity)</a>

Revision History

• 2025-04-08: Information published.