CVE-2021-28452: Microsoft Outlook Memory Corruption Vulnerability

Overview

Severity

High (CVSS 7.1)

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Apr

Released

2021-04-13

Last Updated

2023-05-09

EPSS Score

1.48% (percentile: 81.0%)

FAQ

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

Affected Products (11)

Microsoft Office

• Microsoft Office 2019 for 32-bit editions
• Microsoft Office 2019 for 64-bit editions
• Microsoft 365 Apps for Enterprise for 32-bit Systems
• Microsoft 365 Apps for Enterprise for 64-bit Systems
• Microsoft Outlook 2016 (32-bit edition)
• Microsoft Outlook 2016 (64-bit edition)
• Microsoft Outlook 2013 Service Pack 1 (32-bit editions)
• Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
• Microsoft Outlook 2010 Service Pack 2 (32-bit editions)
• Microsoft Outlook 2010 Service Pack 2 (64-bit editions)
• Microsoft Outlook 2013 RT Service Pack 1

Security Updates (6)

• 4504712
• 4504712
• 4504733
• 4504733
• 4493185
• 4493185

Acknowledgments

hackyzh and lm0963 of DBAppSecurity Zion Lab

Revision History

• 2021-04-13: Information published.
• 2023-05-09: Corrected Article links in the Security Updates table. This is an informational change only.