CVE-2020-16853
HIGHOneDrive - Elevation of Privilege via Symbolic Link Handling
Title source: llmDescription
<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>
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16853
Scores
CVSS v3
7.1
EPSS
0.0100
EPSS Percentile
58.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Details
CWE
CWE-59
Status
published
Products (1)
microsoft/onedrive
Published
Sep 11, 2020
Tracked Since
Feb 18, 2026