CVE-2020-16851

OneDrive for Windows Elevation of Privilege Vulnerability

High · published September 11, 2020

CVSS v3.1
7.1
EPSS
1%
Percentile
61.4
In the wild
Unconfirmed
What it is

<p>An elevation of privilege vulnerability exists when the OneDrive for Windows Desktop application improperly handles symbolic links. An attacker who successfully exploited this vulnerability could overwrite a targeted file with an elevated status.</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 delete a targeted file with an elevated status.</p>

<p>The update addresses this vulnerability by correcting where the OneDrive updater performs file writes while running with elevation.</p>

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00967 · 61.4th percentile
Published
2020-09-11T17:08Z
EPSS history
Timeline
  • 11 SEP 17:08Z
    OneDrive for Windows Elevation of Privilege Vulnerability
    cvelistv5