Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability
CVE-2020-0787 is fixed in 41 products on 1 platform, first by KB4540670, released March 10, 2020. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on January 28, 2022, with known ransomware use. Patch Radar priority: Patch now.
<p>An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links. An attacker who successfully exploited this vulnerability could overwrite a targeted file leading to an elevated status.</p> <p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.</p> <p>The security update addresses the vulnerability by correcting how Windows BITS handles symbolic links.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.3564 | KB4540670 | Mar 10, 2020 |
| Windows 10 Version 1607 for x64-based Systems | 14393.3564 | KB4540670 | Mar 10, 2020 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.1747 | KB4540681 | Mar 10, 2020 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.1747 | KB4540681 | Mar 10, 2020 |
| Windows 10 Version 1709 for x64-based Systems | 16299.1747 | KB4540681 | Mar 10, 2020 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.1365 | KB4540689 | Mar 10, 2020 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.1365 | KB4540689 | Mar 10, 2020 |
| Windows 10 Version 1803 for x64-based Systems | 17134.1365 | KB4540689 | Mar 10, 2020 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.1098 | KB4538461 | Mar 10, 2020 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.1098 | KB4538461 | Mar 10, 2020 |
| Windows 10 Version 1809 for x64-based Systems | 17763.1098 | KB4538461 | Mar 10, 2020 |
| Windows 10 Version 1903 for 32-bit Systems | KB4540673 | Mar 10, 2020 | |
| Windows 10 Version 1903 for ARM64-based Systems | KB4540673 | Mar 10, 2020 | |
| Windows 10 Version 1903 for x64-based Systems | KB4540673 | Mar 10, 2020 | |
| Windows 10 Version 1909 for 32-bit Systems | KB4540673 | Mar 10, 2020 | |
| Windows 10 Version 1909 for ARM64-based Systems | KB4540673 | Mar 10, 2020 | |
| Windows 10 Version 1909 for x64-based Systems | KB4540673 | Mar 10, 2020 | |
| Windows 10 for 32-bit Systems | 10240.18519 | KB4540693 | Mar 10, 2020 |
| Windows 10 for x64-based Systems | 10240.18519 | KB4540693 | Mar 10, 2020 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4541500 | Mar 10, 2020 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4540688 | Mar 10, 2020 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4541500 | Mar 10, 2020 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4540688 | Mar 10, 2020 | |
| Windows 8.1 for 32-bit systems | KB4541505 | Mar 10, 2020 | |
| Windows 8.1 for 32-bit systems | KB4541509 | Mar 10, 2020 | |
| Windows 8.1 for x64-based systems | KB4541505 | Mar 10, 2020 | |
| Windows 8.1 for x64-based systems | KB4541509 | Mar 10, 2020 | |
| Windows RT 8.1 | KB4541509 | Mar 10, 2020 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4541500 | Mar 10, 2020 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4540688 | Mar 10, 2020 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4541500 | Mar 10, 2020 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4540688 | Mar 10, 2020 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4541504 | Mar 10, 2020 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4541506 | Mar 10, 2020 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4541504 | Mar 10, 2020 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4541506 | Mar 10, 2020 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4541504 | Mar 10, 2020 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4541506 | Mar 10, 2020 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4541504 | Mar 10, 2020 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4541506 | Mar 10, 2020 | |
| Windows Server 2012 | KB4540694 | Mar 10, 2020 | |
| Windows Server 2012 | KB4541510 | Mar 10, 2020 | |
| Windows Server 2012 (Server Core installation) | KB4540694 | Mar 10, 2020 | |
| Windows Server 2012 (Server Core installation) | KB4541510 | Mar 10, 2020 | |
| Windows Server 2012 R2 | KB4541505 | Mar 10, 2020 | |
| Windows Server 2012 R2 | KB4541509 | Mar 10, 2020 | |
| Windows Server 2012 R2 (Server Core installation) | KB4541505 | Mar 10, 2020 | |
| Windows Server 2012 R2 (Server Core installation) | KB4541509 | Mar 10, 2020 | |
| Windows Server 2016 | 14393.3564 | KB4540670 | Mar 10, 2020 |
| Windows Server 2016 (Server Core installation) | 14393.3564 | KB4540670 | Mar 10, 2020 |
| Windows Server 2019 | 17763.1098 | KB4538461 | Mar 10, 2020 |
| Windows Server 2019 (Server Core installation) | 17763.1098 | KB4538461 | Mar 10, 2020 |
| Windows Server, version 1803 (Server Core Installation) | 17134.1365 | KB4540689 | Mar 10, 2020 |
| Windows Server, version 1903 (Server Core installation) | KB4540673 | Mar 10, 2020 | |
| Windows Server, version 1909 (Server Core installation) | KB4540673 | Mar 10, 2020 | |
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.