Microsoft SharePoint Elevation of Privilege Vulnerability
Priority MEDIUM 42Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Microsoft SharePoint Elevation of Privilege Vulnerability
Why it matters now
EPSS 0.02028 81st percentileScored 2026-11-07
Fix Fixed Microsoft SharePoint Enterprise Server 2016 (Microsoft): 16.0.5254.1000Microsoft SharePoint Enterprise Server 2013 Service Pack 1 (Microsoft): 15.0.5407.1000+1 more product
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0 to before 16.0.5254.1000 | 16.0.5254.1000 | Patch available | CNA |
| Microsoft | Microsoft SharePoint Enterprise Server 2013 Service Pack 1 | 15.0.0 to before 15.0.5407.1000 | 15.0.5407.1000 | Patch available | CNA |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 to before 16.0.10381.20001 | 16.0.10381.20001 | Patch available | CNA |
- Microsoft SharePoint Enterprise Server 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5254.1000 Fixed in 16.0.5254.1000 Patch available CNA
- Microsoft SharePoint Enterprise Server 2013 Service Pack 1 VendorMicrosoft Affected 15.0.0 to before 15.0.5407.1000 Fixed in 15.0.5407.1000 Patch available CNA
- Microsoft SharePoint Server 2019 VendorMicrosoft Affected 16.0.0 to before 16.0.10381.20001 Fixed in 16.0.10381.20001 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* | 2019 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft
Remediation
- Fix · CNA Microsoft SharePoint Enterprise Server 2016 (Microsoft) Fixed in 16.0.5254.1000
- Fix · CNA Microsoft SharePoint Enterprise Server 2013 Service Pack 1 (Microsoft) Fixed in 15.0.5407.1000
- Fix · CNA Microsoft SharePoint Server 2019 (Microsoft) Fixed in 16.0.10381.20001
Timeline
- 2026-10-02 Threatist record created from CVE-2021-43876
- 2026-10-03 Alias added: GHSA-5vx7-rqhr-2p9x
More Microsoft Sharepoint Enterprise Server vulnerabilities
- TI-2019-00394 Improper input validation in Microsoft SharePoint Server KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01112 A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and… KEVCVSS 3.1HIGH 7.8
- TI-2017-08774 Memory corruption in Microsoft Office KEVCVSS 3.1HIGH 7.8
- TI-2023-10439 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 7.2
- TI-2023-08100 Microsoft Word Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-31676 Microsoft SharePoint Server Spoofing Vulnerability KEVCVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-43876 · CVE Program
- CVE-2021-43876 · NVD
- FIRST EPSS
- GHSA-5vx7-rqhr-2p9x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences