High [CVE-2020-1166] Windows Clipboard Service Elevation of Privilege Vulnerability
This high-severity Microsoft Server advisory covers CVE-2020-1166 affecting Windows Server, version 1903 (Server Core installation), Windows Server, version 1909 (Server Core installation).
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Summary
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. 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. The update addresses the vulnerability by correcting how Windows handles calls to Clipboard Service.
Affected products named by the advisory: Windows Server, version 1903 (Server Core installation); Windows Server, version 1909 (Server Core installation).
- Windows 10 Version 1903 for 32-bit Systems 10.0.0 before publication
- Windows 10 Version 1903 for ARM64-based Systems 10.0.0 before publication
- Windows 10 Version 1903 for x64-based Systems 10.0.0 before publication
- Windows 10 Version 1909 10.0.0 before publication
- Windows Server, version 1903 (Server Core installation) 10.0.0 before publication
- Windows Server, version 1909 (Server Core installation) 10.0.0 before publication
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
- publication
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
- The update addresses the vulnerability by correcting how Windows handles calls to Clipboard Service.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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