# CVE-2019-0827: Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

CVE-2019-0827 is fixed in 7 products on 1 platform, first by KB4464520, released April 9, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-0827
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.1051
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Apr 9, 2019
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0827

## Description

<p>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.</p> <p>An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file.</p> <p>The update addresses the vulnerability by correcting the way the Microsoft Office Access Connectivity Engine handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Office 2010 Service Pack 2 (32-bit editions) |  | [KB4464520](https://patchblox.com/security/data/fix/microsoft/kb4464520.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (64-bit editions) |  | [KB4464520](https://patchblox.com/security/data/fix/microsoft/kb4464520.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2013 RT Service Pack 1 |  | [KB4462204](https://patchblox.com/security/data/fix/microsoft/kb4462204.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2013 Service Pack 1 (32-bit editions) |  | [KB4462204](https://patchblox.com/security/data/fix/microsoft/kb4462204.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2013 Service Pack 1 (64-bit editions) |  | [KB4462204](https://patchblox.com/security/data/fix/microsoft/kb4462204.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2016 (32-bit edition) |  | [KB4462213](https://patchblox.com/security/data/fix/microsoft/kb4462213.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2016 (64-bit edition) |  | [KB4462213](https://patchblox.com/security/data/fix/microsoft/kb4462213.md) | Apr 9, 2019 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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