Microsoft Office
CVE-2021-1716 — Microsoft Word Remote Code Execution Vulnerability
Executive Summary
None
Overview
7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
Temporal Score: 6.8
EPSS Score
0.03614
probability of exploitation in the next 30 days
0.88012 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
21 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft 365 Apps for Enterprise for 32-bit Systems | Click to Run (Security Update) |
Important | Remote Code Execution | No |
| Microsoft 365 Apps for Enterprise for 64-bit Systems | Click to Run (Security Update) |
Important | Remote Code Execution | No |
| Microsoft Office 2010 Service Pack 2 (32-bit editions) | 4493142 (Security Update) 4493142 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office 2010 Service Pack 2 (64-bit editions) | 4493142 (Security Update) 4493142 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office 2019 for 32-bit editions | Click to Run (Security Update) |
Important | Remote Code Execution | No |
| Microsoft Office 2019 for 64-bit editions | Click to Run (Security Update) |
Important | Remote Code Execution | No |
| Microsoft Office 2019 for Mac | Release Notes (Security Update) |
Important | Remote Code Execution | No |
| Microsoft Office Online Server | 4493160 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office Web Apps 2010 Service Pack 2 | 4493183 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office Web Apps Server 2013 Service Pack 1 | 4493171 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft SharePoint Enterprise Server 2013 Service Pack 1 | 4486683 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft SharePoint Enterprise Server 2016 | 4493163 (Security Update) 4493167 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft SharePoint Server 2010 Service Pack 2 | 4493178 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft SharePoint Server 2019 | 4493162 (Security Update) 4493161 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Word 2010 Service Pack 2 (32-bit editions) | 4493145 (Security Update) 4493145 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Word 2010 Service Pack 2 (64-bit editions) | 4493145 (Security Update) 4493145 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Word 2013 RT Service Pack 1 | 4486764 (Security Update) 4486764 (Security Update) 4486764 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Word 2013 Service Pack 1 (32-bit editions) | 4486764 (Security Update) 4486764 (Security Update) 4486764 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Word 2013 Service Pack 1 (64-bit editions) | 4486764 (Security Update) 4486764 (Security Update) 4486764 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Word 2016 (32-bit edition) | 4493156 (Security Update) 4493156 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Word 2016 (64-bit edition) | 4493156 (Security Update) 4493156 (Security Update) |
Important | Remote Code Execution | Maybe |
Patches
13 patches
| Article | Type | Restart |
|---|---|---|
Click to Run |
Security Update | No |
4493142 (Security Update) 4493142 |
Security Update | Maybe |
Release Notes |
Security Update | No |
4493160 |
Security Update | Maybe |
4493183 |
Security Update | Maybe |
4493171 |
Security Update | Maybe |
4486683 |
Security Update | Maybe |
4493163 (Security Update) 4493167 |
Security Update | Maybe |
4493178 |
Security Update | Maybe |
4493162 (Security Update) 4493161 |
Security Update | Maybe |
4493145 (Security Update) 4493145 |
Security Update | Maybe |
4486764 (Security Update) 4486764 (Security Update) 4486764 |
Security Update | Maybe |
4493156 (Security Update) 4493156 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Zhangjie and willJ
References
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