CVE-2023-21717
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Microsoft SharePoint Server Elevation of Privilege Vulnerability
- Record
CVE-2023-21717- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2023-25884
Microsoft SharePoint Server Elevation of Privilege Vulnerability
- Record
EUVD-2023-25884- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-f7hr-c85m-f673
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Microsoft SharePoint Server Elevation of Privilege Vulnerability
- Record
GHSA-f7hr-c85m-f673- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Microsoft SharePoint Server Elevation of Privilege Vulnerability
- Record
CVE-2023-21717- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
- microsoft sharepoint server
- microsoft sharepoint enterprise server 2013 service pack 1
- microsoft sharepoint enterprise server 2016
- microsoft sharepoint foundation 2013 service pack 1
- microsoft sharepoint server 2019
- microsoft sharepoint server subscription edition
- microsoft sharepoint enterprise server
- microsoft sharepoint foundation
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21717 is a high vulnerability (CVSS 8.8) in Microsoft Sharepoint Server, published February 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.09%, the 65th percentile. No source names a fixed version.