CVE-2021-43875: Microsoft Office Graphics Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

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

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Dec

Released

2021-12-14

EPSS Score

0.69% (percentile: 71.9%)

FAQ

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

Affected Products (8)

Microsoft Office

• Microsoft Office 2019 for 32-bit editions
• Microsoft Office 2019 for 64-bit editions
• Microsoft Office 2019 for Mac
• Microsoft 365 Apps for Enterprise for 32-bit Systems
• Microsoft 365 Apps for Enterprise for 64-bit Systems
• Microsoft Office LTSC for Mac 2021
• Microsoft Office LTSC 2021 for 64-bit editions
• Microsoft Office LTSC 2021 for 32-bit editions

Security Updates (1)

• Release Notes

Acknowledgments

<a href="https://twitter.com/soorajks">Sooraj KS</a> with <a href="https://www.sophos.com/">Sophos</a>, <a href="https://twitter.com/MajorTomSec">Thomas Bouzerar</a> from <a href="https://twitter.com/Synacktiv">Synacktiv</a> working with <a href="https://www.zerodayinitiative.com/">Trend Micro Zero Day Initiative</a>

Revision History

• 2021-12-14: Information published.