Vulnerability Intelligence Report
Microsoft Word Remote Code Execution Vulnerability
CVE-2021-28453
Microsoft Word Remote Code Execution Vulnerability
No Active Exploit Signals
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:4.07%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0 < publication (affected) |
| Microsoft | Microsoft SharePoint Enterprise Server 2013 Service Pack 1 | 15.0.0 < publication (affected) |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 < publication (affected) |
| Microsoft | Microsoft Office 2019 | 19.0.0 < https://aka.ms/OfficeSecurityReleases (affected) |
| Microsoft | Microsoft Office 2019 for Mac | 16.0.0 < publication (affected) |
| Microsoft | Microsoft Office Online Server | 16.0.1 < publication (affected) |
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 < https://aka.ms/OfficeSecurityReleases (affected) |
| Microsoft | Microsoft Word 2016 | 16.0.1 < publication (affected) |
| Microsoft | Microsoft Office 2010 Service Pack 2 | 13.0.0.0 < publication (affected) |
| Microsoft | Microsoft Office Web Apps 2010 Service Pack 2 | 13.0.0 < publication (affected) |
| Microsoft | Microsoft Office Web Apps Server 2013 Service Pack 1 | 15.0.1 < publication (affected) |
| Microsoft | Microsoft SharePoint Server 2010 Service Pack 2 | 13.0.0.0 < publication (affected) |
| Microsoft | Microsoft Word 2010 Service Pack 2 | 13.0.0.0 < publication (affected) |
| Microsoft | Microsoft Word 2013 Service Pack 1 | 15.0.1 < publication (affected) |
| Microsoft | Microsoft Word 2013 Service Pack 1 | 15.0.1 < publication (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
4.068%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2021-03-15T00:00:00 |
| Published | 2021-04-13T19:33:35 |
| Patch Date | 2021-04-13 |
| Last Updated | 2024-08-03T21:40:14 |
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