Windows Error Reporting Elevation of Privilege Vulnerability
CVE-2019-0863 is fixed in 36 products on 1 platform, first by KB4494440, released May 14, 2019. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021. Patch Radar priority: Patch now.
<p>An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges.</p> <p>To exploit the vulnerability, an attacker must first gain unprivileged execution on a victim system.</p> <p>The security update addresses the vulnerability by correcting the way WER handles files.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.2969 | KB4494440 | May 14, 2019 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2969 | KB4494440 | May 14, 2019 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1805 | KB4499181 | May 14, 2019 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1805 | KB4499181 | May 14, 2019 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.1146 | KB4499179 | May 14, 2019 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.1146 | KB4499179 | May 14, 2019 |
| Windows 10 Version 1709 for x64-based Systems | 16299.1146 | KB4499179 | May 14, 2019 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.765 | KB4499167 | May 14, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.765 | KB4499167 | May 14, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.765 | KB4499167 | May 14, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.503 | KB4494441 | May 14, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.503 | KB4494441 | May 14, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.503 | KB4494441 | May 14, 2019 |
| Windows 10 Version 1903 for 32-bit Systems | KB4497936 | May 14, 2019 | |
| Windows 10 Version 1903 for ARM64-based Systems | KB4497936 | May 14, 2019 | |
| Windows 10 Version 1903 for x64-based Systems | KB4497936 | May 14, 2019 | |
| Windows 10 for 32-bit Systems | 10240.18215 | KB4499154 | May 14, 2019 |
| Windows 10 for x64-based Systems | 10240.18215 | KB4499154 | May 14, 2019 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4499175 | May 14, 2019 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4499164 | May 14, 2019 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4499175 | May 14, 2019 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4499164 | May 14, 2019 | |
| Windows 8.1 for 32-bit systems | KB4499151 | May 14, 2019 | |
| Windows 8.1 for 32-bit systems | KB4499165 | May 14, 2019 | |
| Windows 8.1 for x64-based systems | KB4499151 | May 14, 2019 | |
| Windows 8.1 for x64-based systems | KB4499165 | May 14, 2019 | |
| Windows RT 8.1 | KB4499151 | May 14, 2019 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4499175 | May 14, 2019 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4499164 | May 14, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4499175 | May 14, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4499164 | May 14, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4499175 | May 14, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4499164 | May 14, 2019 | |
| Windows Server 2012 | KB4499158 | May 14, 2019 | |
| Windows Server 2012 | KB4499171 | May 14, 2019 | |
| Windows Server 2012 (Server Core installation) | KB4499158 | May 14, 2019 | |
| Windows Server 2012 (Server Core installation) | KB4499171 | May 14, 2019 | |
| Windows Server 2012 R2 | KB4499151 | May 14, 2019 | |
| Windows Server 2012 R2 | KB4499165 | May 14, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4499151 | May 14, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4499165 | May 14, 2019 | |
| Windows Server 2016 | 14393.2969 | KB4494440 | May 14, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.2969 | KB4494440 | May 14, 2019 |
| Windows Server 2019 | 17763.503 | KB4494441 | May 14, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.503 | KB4494441 | May 14, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.765 | KB4499167 | May 14, 2019 |
| Windows Server, version 1903 (Server Core installation) | KB4497936 | May 14, 2019 | |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.