TI-2018-06002 Aliases CVE-2018-8300 GHSA-r894-c8ph-2pv7

Improper input validation in Microsoft SharePoint

MEDIUM 53CWE-20Published 2018-07-11 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka "Microsoft SharePoint Remote Code Execution Vulnerability." This affects Microsoft SharePoint.

Why it matters now

EPSS 0.13962 96th 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 2016; Foundation 2013 Service Pack 1	—	No fix listed	CNA

Microsoft SharePoint VendorMicrosoft Affected Enterprise Server 2016; Foundation 2013 Service Pack 1 Fixed in — No fix listed CNA

CPE configurations NVD · 2

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_enterprise_server:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-8300
2026-10-03 Alias added: GHSA-r894-c8ph-2pv7

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8300

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

See all 255 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences