Microsoft Office SharePoint
CVE-2020-17089 — Microsoft SharePoint Elevation of Privilege Vulnerability
Executive Summary
None
Overview
7.1
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
Low
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.4
EPSS Score
0.0281
probability of exploitation in the next 30 days
0.85028 percentile - updated 2026-07-25
View on FIRST.org
Affected Products
4 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 | 4486753 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Microsoft SharePoint Foundation 2010 Service Pack 2 | 4493149 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Microsoft SharePoint Foundation 2013 Service Pack 1 | 4493138 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Microsoft SharePoint Server 2019 | 4486751 (Security Update) |
Important | Elevation of Privilege | Maybe |
Patches
4 patches
| Article | Type | Restart |
|---|---|---|
4486753 |
Security Update | Maybe |
4493149 |
Security Update | Maybe |
4493138 |
Security Update | Maybe |
4486751 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Steven Seeley (mr_me) and Yuhao Weng (@cjm00nw)
References
On This Page