CVE-2020-16851

lowpriority · track · 14EPSS 0.010 · 62 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.97% (62nd) EPSS
CVSS 3.6 · low
Is it mine?
3 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

<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>

01

cvss

Technical severity, 0–10. One row per scoring source.

7.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.1–7.1

v2.03.6lowAV:L/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 4.9
v2.03.1lowAV:L/AC:L/Au:N/C:N/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)
v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · NVD / NIST USexploitability 1.8 · impact 5.2
v3.17.1highAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:Csecondary · ENISA EU
v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.2
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (3)

Products and version ranges known to be affected.

04

also known as (4)

Other names and identifiers for this entity.

05

sources

Which sources assert this record, and when.

published 2020-09-11modified 2026-06-17
07

references (7)

External citations — patches, advisories, analysis.

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