Vulnerability · Published Oct 16, 2020 · Assigned by microsoft
CVE-2020-16877Windows Elevation of Privilege Vulnerability
High 7.1
In plain English
A high-severity security flaw in Windows 10 Version 1903 for 32-bit Systems from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Official description
<p>An elevation of privilege vulnerability exists when Microsoft Windows improperly handles reparse points. An attacker who successfully exploited this vulnerability could overwrite or delete a targeted file that would normally require elevated permissions.</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 overwrite or delete files.</p> <p>The security update addresses the vulnerability by correcting how Windows handles reparse points.</p>
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1909 | 10.0.0 – before publication |
| Microsoft | Windows Server, version 1909 (Server Core installation) | 10.0.0 – before publication |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | 10.0.0 – before publication |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | 10.0.0 – before publication |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | 10.0.0 – before publication |
| Microsoft | Windows Server, version 1903 (Server Core installation) | 10.0.0 – before publication |
| Microsoft | Windows 10 Version 2004 | 10.0.0 – before publication |
| Microsoft | Windows Server version 2004 | 10.0.0 – before publication |