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NVD Vulnerability Details :
CVE-2020-16851
Modified
More InfoOfficial Page
Source-secure@microsoft.com
View Known Exploited Vulnerability (KEV) details
Published At-11 Sep, 2020 | 17:15
Updated At-23 Feb, 2026 | 18:21

<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>

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.1HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Secondary3.17.1HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Primary2.03.6LOW
AV:L/AC:L/Au:N/C:N/I:P/A:P
Type: Secondary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Type: Primary
Version: 2.0
Base score: 3.6
Base severity: LOW
Vector:
AV:L/AC:L/Au:N/C:N/I:P/A:P
CPE Matches

Microsoft Corporation
microsoft
>>onedrive>>-
cpe:2.3:a:microsoft:onedrive:-:*:*:*:*:windows:*:*
Weaknesses
CWE IDTypeSource
CWE-59Primarynvd@nist.gov
CWE ID: CWE-59
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16851secure@microsoft.com
Patch
Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16851af854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
Hyperlink: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16851
Source: secure@microsoft.com
Resource:
Patch
Vendor Advisory
Hyperlink: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16851
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Change History
0Changes found

Details not found