Windows Clipboard Service Elevation of Privilege Vulnerability
CVE-2020-1166 is fixed in 8 products on 1 platform, first by KB4556799, released May 12, 2020. It is not reported as exploited. Patch Radar priority: High.
<p>An elevation of privilege vulnerability exists when Windows improperly handles calls to Clipboard Service. An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</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 over an affected system.</p> <p>The update addresses the vulnerability by correcting how Windows handles calls to Clipboard Service.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1903 for 32-bit Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1903 for ARM64-based Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1903 for x64-based Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1909 for 32-bit Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1909 for ARM64-based Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1909 for x64-based Systems | KB4556799 | May 12, 2020 | |
| Windows Server, version 1903 (Server Core installation) | KB4556799 | May 12, 2020 | |
| Windows Server, version 1909 (Server Core installation) | KB4556799 | May 12, 2020 | |
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