CVE-2020-1111
HighCVSS 7.8Exploitation Probability (EPSS)
Elevated risk56th percentile - higher than 56% of all known CVEs
Summary
An elevation of privilege vulnerability in Clipboard Service due to improper handling of calls. An attacker could run arbitrary code in the security context of the local system, install programs, view, change or delete data, or create new accounts with full user rights.
Risk Assessment
Running code in the local system context could lead to full system compromise.
Recommendation
Apply the security update that corrects how Windows handles calls to Clipboard Service.
Other vulnerabilities in Clipboard Service
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

