CVE-2020-16877
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
16/10/2020
Last modified:
23/02/2026
Description
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.<br />
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.<br />
The security update addresses the vulnerability by correcting how Windows handles reparse points.
Impact
Base Score 3.x
7.10
Severity 3.x
HIGH
Base Score 2.0
3.60
Severity 2.0
LOW
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* | ||
| cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* | ||
| cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* | ||
| cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* | ||
| cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:* | ||
| cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page



