Deserialization of untrusted data in Microsoft SharePoint Enterprise Server
Priority MEDIUM 57CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
A remote code execution vulnerability exists in PerformancePoint Services for SharePoint Server when the software fails to check the source markup of XML file input, aka 'PerformancePoint Services Remote Code Execution Vulnerability'.
Why it matters now
EPSS 0.20265 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 | 2013 Service Pack 1; 2016 | — | No fix listed | CNA |
| Microsoft | Microsoft SharePoint Server | 2019; 2010 Service Pack 2 | — | No fix listed | CNA |
| Microsoft | Microsoft SharePoint Foundation | 2013 Service Pack 1 | — | No fix listed | CNA |
- Microsoft SharePoint Enterprise Server VendorMicrosoft Affected 2013 Service Pack 1; 2016 Fixed in — No fix listed CNA
- Microsoft SharePoint Server VendorMicrosoft Affected 2019; 2010 Service Pack 2 Fixed in — No fix listed CNA
- Microsoft SharePoint Foundation VendorMicrosoft Affected 2013 Service Pack 1 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| 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_foundation:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:* | 2010 sp2 | 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_foundation:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:* Versions 2010 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1439
- 2026-10-03 Alias added: GHSA-7vrg-q6mv-3q9x
References
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-2020-1439 · CVE Program
- CVE-2020-1439 · NVD
- FIRST EPSS
- GHSA-7vrg-q6mv-3q9x · 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