# CVE-2019-0891: Jet Database Engine Remote Code Execution Vulnerability CVE-2019-0891 is fixed in 41 products on 1 platform, first by KB4494440, released May 14, 2019. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2019-0891 - Priority: High - CVSS: 7.8 (Important) - EPSS: 0.2012 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation Less Likely - Published: May 14, 2019 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0891 ## Description

A remote code execution vulnerability exists when the Windows Jet Database 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 Windows Jet Database Engine handles objects in memory.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.2969 | [KB4494440](https://patchblox.com/security/data/fix/microsoft/kb4494440.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.2969 | [KB4494440](https://patchblox.com/security/data/fix/microsoft/kb4494440.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.1805 | [KB4499181](https://patchblox.com/security/data/fix/microsoft/kb4499181.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.1805 | [KB4499181](https://patchblox.com/security/data/fix/microsoft/kb4499181.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.1146 | [KB4499179](https://patchblox.com/security/data/fix/microsoft/kb4499179.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.1146 | [KB4499179](https://patchblox.com/security/data/fix/microsoft/kb4499179.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.1146 | [KB4499179](https://patchblox.com/security/data/fix/microsoft/kb4499179.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.765 | [KB4499167](https://patchblox.com/security/data/fix/microsoft/kb4499167.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.765 | [KB4499167](https://patchblox.com/security/data/fix/microsoft/kb4499167.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.765 | [KB4499167](https://patchblox.com/security/data/fix/microsoft/kb4499167.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.503 | [KB4494441](https://patchblox.com/security/data/fix/microsoft/kb4494441.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.503 | [KB4494441](https://patchblox.com/security/data/fix/microsoft/kb4494441.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.503 | [KB4494441](https://patchblox.com/security/data/fix/microsoft/kb4494441.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1903 for 32-bit Systems | | [KB4497936](https://patchblox.com/security/data/fix/microsoft/kb4497936.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1903 for ARM64-based Systems | | [KB4497936](https://patchblox.com/security/data/fix/microsoft/kb4497936.md) | May 14, 2019 | | Microsoft | Windows 10 Version 1903 for x64-based Systems | | [KB4497936](https://patchblox.com/security/data/fix/microsoft/kb4497936.md) | May 14, 2019 | | Microsoft | Windows 10 for 32-bit Systems | 10240.18215 | [KB4499154](https://patchblox.com/security/data/fix/microsoft/kb4499154.md) | May 14, 2019 | | Microsoft | Windows 10 for x64-based Systems | 10240.18215 | [KB4499154](https://patchblox.com/security/data/fix/microsoft/kb4499154.md) | May 14, 2019 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4499175](https://patchblox.com/security/data/fix/microsoft/kb4499175.md) | May 14, 2019 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4499164](https://patchblox.com/security/data/fix/microsoft/kb4499164.md) | May 14, 2019 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4499175](https://patchblox.com/security/data/fix/microsoft/kb4499175.md) | May 14, 2019 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4499164](https://patchblox.com/security/data/fix/microsoft/kb4499164.md) | May 14, 2019 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4499151](https://patchblox.com/security/data/fix/microsoft/kb4499151.md) | May 14, 2019 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4499165](https://patchblox.com/security/data/fix/microsoft/kb4499165.md) | May 14, 2019 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4499151](https://patchblox.com/security/data/fix/microsoft/kb4499151.md) | May 14, 2019 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4499165](https://patchblox.com/security/data/fix/microsoft/kb4499165.md) | May 14, 2019 | | Microsoft | Windows RT 8.1 | | [KB4499151](https://patchblox.com/security/data/fix/microsoft/kb4499151.md) | May 14, 2019 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4499175](https://patchblox.com/security/data/fix/microsoft/kb4499175.md) | May 14, 2019 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4499164](https://patchblox.com/security/data/fix/microsoft/kb4499164.md) | May 14, 2019 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4499175](https://patchblox.com/security/data/fix/microsoft/kb4499175.md) | May 14, 2019 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4499164](https://patchblox.com/security/data/fix/microsoft/kb4499164.md) | May 14, 2019 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4499175](https://patchblox.com/security/data/fix/microsoft/kb4499175.md) | May 14, 2019 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4499164](https://patchblox.com/security/data/fix/microsoft/kb4499164.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4499149](https://patchblox.com/security/data/fix/microsoft/kb4499149.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4499180](https://patchblox.com/security/data/fix/microsoft/kb4499180.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB4499149](https://patchblox.com/security/data/fix/microsoft/kb4499149.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB4499180](https://patchblox.com/security/data/fix/microsoft/kb4499180.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 | | [KB4499149](https://patchblox.com/security/data/fix/microsoft/kb4499149.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 | | [KB4499180](https://patchblox.com/security/data/fix/microsoft/kb4499180.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4499149](https://patchblox.com/security/data/fix/microsoft/kb4499149.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4499180](https://patchblox.com/security/data/fix/microsoft/kb4499180.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4499149](https://patchblox.com/security/data/fix/microsoft/kb4499149.md) | May 14, 2019 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4499180](https://patchblox.com/security/data/fix/microsoft/kb4499180.md) | May 14, 2019 | | Microsoft | Windows Server 2012 | | [KB4499158](https://patchblox.com/security/data/fix/microsoft/kb4499158.md) | May 14, 2019 | | Microsoft | Windows Server 2012 | | [KB4499171](https://patchblox.com/security/data/fix/microsoft/kb4499171.md) | May 14, 2019 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4499158](https://patchblox.com/security/data/fix/microsoft/kb4499158.md) | May 14, 2019 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4499171](https://patchblox.com/security/data/fix/microsoft/kb4499171.md) | May 14, 2019 | | Microsoft | Windows Server 2012 R2 | | [KB4499151](https://patchblox.com/security/data/fix/microsoft/kb4499151.md) | May 14, 2019 | | Microsoft | Windows Server 2012 R2 | | [KB4499165](https://patchblox.com/security/data/fix/microsoft/kb4499165.md) | May 14, 2019 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4499151](https://patchblox.com/security/data/fix/microsoft/kb4499151.md) | May 14, 2019 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4499165](https://patchblox.com/security/data/fix/microsoft/kb4499165.md) | May 14, 2019 | | Microsoft | Windows Server 2016 | 14393.2969 | [KB4494440](https://patchblox.com/security/data/fix/microsoft/kb4494440.md) | May 14, 2019 | | Microsoft | Windows Server 2016 (Server Core installation) | 14393.2969 | [KB4494440](https://patchblox.com/security/data/fix/microsoft/kb4494440.md) | May 14, 2019 | | Microsoft | Windows Server 2019 | 17763.503 | [KB4494441](https://patchblox.com/security/data/fix/microsoft/kb4494441.md) | May 14, 2019 | | Microsoft | Windows Server 2019 (Server Core installation) | 17763.503 | [KB4494441](https://patchblox.com/security/data/fix/microsoft/kb4494441.md) | May 14, 2019 | | Microsoft | Windows Server, version 1803 (Server Core Installation) | 17134.765 | [KB4499167](https://patchblox.com/security/data/fix/microsoft/kb4499167.md) | May 14, 2019 | | Microsoft | Windows Server, version 1903 (Server Core installation) | | [KB4497936](https://patchblox.com/security/data/fix/microsoft/kb4497936.md) | May 14, 2019 | --- Data as of 2026-11-07T12:40:37Z 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