CVE-2020-1111

Windows Clipboard Service Elevation of Privilege Vulnerability

CVE-2020-1111 is fixed in 13 products on 1 platform, first by KB4551853, released May 12, 2020. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0095
61st percentile

<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

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1809 for 32-bit Systems 17763.1217 KB4551853 May 12, 2020
Windows 10 Version 1809 for ARM64-based Systems 17763.1217 KB4551853 May 12, 2020
Windows 10 Version 1809 for x64-based Systems 17763.1217 KB4551853 May 12, 2020
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 2019 17763.1217 KB4551853 May 12, 2020
Windows Server 2019 (Server Core installation) 17763.1217 KB4551853 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