Microsoft Office
CVE-2019-0671 — Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Executive Summary
A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Microsoft Office Access Connectivity Engine handles objects in memory.
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: 7.0
EPSS Score
0.14817
probability of exploitation in the next 30 days
0.96258 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
49 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Office 2010 Service Pack 2 (32-bit editions) | 4018313 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office 2010 Service Pack 2 (64-bit editions) | 4018313 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office 2013 RT Service Pack 1 | 4018300 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office 2013 Service Pack 1 (32-bit editions) | 4018300 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office 2013 Service Pack 1 (64-bit editions) | 4018300 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office 2016 (32-bit edition) | 4018294 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Office 2016 (64-bit edition) | 4018294 (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 |
| Office 365 ProPlus for 32-bit Systems | Click to Run (Security Update) |
Important | Remote Code Execution | No |
| Office 365 ProPlus for 64-bit Systems | Click to Run (Security Update) |
Important | Remote Code Execution | No |
| Windows 10 for 32-bit Systems | 4493475 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 for x64-based Systems | 4493475 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 4493470 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1607 for x64-based Systems | 4493470 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1703 for 32-bit Systems | 4493474 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1703 for x64-based Systems | 4493474 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1709 for 32-bit Systems | 4493441 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1709 for ARM64-based Systems | 4493441 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1709 for x64-based Systems | 4493441 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1803 for 32-bit Systems | 4493464 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1803 for ARM64-based Systems | 4493464 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1803 for x64-based Systems | 4493464 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 4493509 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 4493509 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for x64-based Systems | 4493509 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 | 4493472 (Monthly Rollup) 4493448 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows 7 for x64-based Systems Service Pack 1 | 4493472 (Monthly Rollup) 4493448 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows 8.1 for 32-bit systems | 4493446 (Monthly Rollup) 4493467 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows 8.1 for x64-based systems | 4493446 (Monthly Rollup) 4493467 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows RT 8.1 | 4493446 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | 4493471 (Monthly Rollup) 4493458 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | 4493471 (Monthly Rollup) 4493458 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | 4493471 (Monthly Rollup) 4493458 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 | 4493471 (Monthly Rollup) 4493458 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | 4493471 (Monthly Rollup) 4493458 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | 4493472 (Monthly Rollup) 4493448 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 4493472 (Monthly Rollup) 4493448 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4493472 (Monthly Rollup) 4493448 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 | 4493451 (Monthly Rollup) 4493450 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 (Server Core installation) | 4493451 (Monthly Rollup) 4493450 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 R2 | 4493446 (Monthly Rollup) 4493467 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 R2 (Server Core installation) | 4493446 (Monthly Rollup) 4493467 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2016 | 4493470 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2016 (Server Core installation) | 4493470 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2019 | 4493509 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2019 (Server Core installation) | 4493509 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server, version 1709 (Server Core Installation) | 4493441 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server, version 1803 (Server Core Installation) | 4493464 (Security Update) |
Important | Remote Code Execution | Yes |
Patches
15 patches
| Article | Type | Restart |
|---|---|---|
4018313 |
Security Update | Maybe |
4018300 |
Security Update | Maybe |
4018294 |
Security Update | Maybe |
Click to Run |
Security Update | No |
4493475 |
Security Update | Yes |
4493470 |
Security Update | Yes |
4493474 |
Security Update | Yes |
4493441 |
Security Update | Yes |
4493464 |
Security Update | Yes |
4493509 |
Security Update | Yes |
4493472 (Monthly Rollup) 4493448 |
Monthly Rollup | Yes |
4493446 (Monthly Rollup) 4493467 |
Monthly Rollup | Yes |
4493446 |
Monthly Rollup | Yes |
4493471 (Monthly Rollup) 4493458 |
Monthly Rollup | Yes |
4493451 (Monthly Rollup) 4493450 |
Monthly Rollup | Yes |
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
References
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