CVE-2024-43600: 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

2024-Dec

Released

2024-12-10

Last Updated

2024-12-23

EPSS Score

0.23% (percentile: 46.0%)

FAQ

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector. There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software? Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

Affected Products (2)

Microsoft Office

• Microsoft Office 2016 (32-bit edition)
• Microsoft Office 2016 (64-bit edition)

Security Updates (5)

• 5002661
• 4475587
• 5002661
• 2920716
• 4475587

Acknowledgments

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

Revision History

• 2024-12-10: Information published.
• 2024-12-23: In the Security Updates Table, removed KB2920716 from the Office 2016 for 32-bit version as this update does not apply to this version.