CVE-2021-1726
Microsoft SharePoint Server Spoofing Vulnerability
8.0 High
Microsoft SharePoint Server Spoofing Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
2.11%Down 2.4 points since Apr 14, 2021
What each source reports
CVE List Score used
Microsoft SharePoint Server Spoofing Vulnerability
Microsoft SharePoint Server Spoofing Vulnerability
- Record
CVE-2021-1726- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-7190
Microsoft SharePoint Server Spoofing Vulnerability
- Record
EUVD-2021-7190- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-63cx-48gh-36pg
Microsoft SharePoint Spoofing Vulnerability
Microsoft SharePoint Spoofing Vulnerability
- Record
GHSA-63cx-48gh-36pg- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Microsoft SharePoint Server Spoofing Vulnerability
- Record
CVE-2021-1726- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Updated
- 2026-11-02
Affected products
- microsoft sharepoint server
- microsoft sharepoint enterprise server 2016
- microsoft sharepoint foundation 2010 service pack 2
- microsoft sharepoint foundation 2013 service pack 1
- microsoft sharepoint server 2019
- microsoft sharepoint enterprise server
- microsoft sharepoint foundation
- microsoft windows 10
- microsoft windows 7
- microsoft windows 8.1
- microsoft windows rt 8.1
- microsoft windows server 2008
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-1726 is a high vulnerability (CVSS 8.0) in Microsoft Sharepoint Server, published February 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.11%, the 82nd percentile. No source names a fixed version.