CVE-2020-16853

HIGH

OneDrive - Elevation of Privilege via Symbolic Link Handling

Title source: llm
STIX 2.1

Description

<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

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