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>
Metrics
CVSS 3.1 7.1/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HAffected software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1909 | >= 10.0.0, < publication |
| Microsoft | Windows Server, version 1909 (Server Core installation) | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | >= 10.0.0, < publication |
| Microsoft | Windows Server, version 1903 (Server Core installation) | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 2004 | >= 10.0.0, < publication |
| Microsoft | Windows Server version 2004 | >= 10.0.0, < publication |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16877Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16877Patch, Vendor Advisory
Timeline
- Published
- Oct 16, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified