Microsoft Office
CVE-2019-1264 — Microsoft Office Security Feature Bypass Vulnerability
Executive Summary
A security feature bypass vulnerability exists when Microsoft Office improperly handles input. An attacker who successfully exploited the vulnerability could execute arbitrary commands. In a file-sharing attack scenario, an attacker could provide a specially crafted document file designed to exploit the vulnerability, and then convince a user to open the document file and interact with the document by clicking a specific cell. The update addresses the vulnerability by correcting how Microsoft Office handles input.
Overview
Important
MS Severity
Not Exploited
MS Exploit Status
N/A
MS Exploit Likelihood
EPSS Score
0.0355
probability of exploitation in the next 30 days
0.8781 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
17 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Office 2010 Service Pack 2 (32-bit editions) | 4464566 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Office 2010 Service Pack 2 (64-bit editions) | 4464566 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Office 2013 RT Service Pack 1 | 4475607 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Office 2013 Service Pack 1 (32-bit editions) | 4475607 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Office 2013 Service Pack 1 (64-bit editions) | 4475607 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Office 2016 (32-bit edition) | 4475583 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Office 2016 (64-bit edition) | 4475583 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Office 2019 for 32-bit editions | Click to Run (Security Update) |
Important | Security Feature Bypass | No |
| Microsoft Office 2019 for 64-bit editions | Click to Run (Security Update) |
Important | Security Feature Bypass | No |
| Microsoft Project 2010 Service Pack 2 (32-bit editions) | 4461631 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Project 2010 Service Pack 2 (64-bit editions) | 4461631 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Project 2013 Service Pack 1 (32-bit editions) | 4464548 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Project 2013 Service Pack 1 (64-bit editions) | 4464548 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Project 2016 (32-bit edition) | 4475589 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Microsoft Project 2016 (64-bit edition) | 4475589 (Security Update) |
Important | Security Feature Bypass | Maybe |
| Office 365 ProPlus for 32-bit Systems | Click to Run (Security Update) |
Important | Security Feature Bypass | No |
| Office 365 ProPlus for 64-bit Systems | Click to Run (Security Update) |
Important | Security Feature Bypass | No |
Patches
7 patches
| Article | Type | Restart |
|---|---|---|
4464566 |
Security Update | Maybe |
4475607 |
Security Update | Maybe |
4475583 |
Security Update | Maybe |
Click to Run |
Security Update | No |
4461631 |
Security Update | Maybe |
4464548 |
Security Update | Maybe |
4475589 |
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
Florent Robinet
References
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