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TI-2023-19594 Aliases CVE-2023-38177GHSA-jq2p-9w9x-5vq6

Microsoft SharePoint Server Remote Code Execution Vulnerability

Priority LOW 36CWE-502Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

Microsoft SharePoint Server Remote Code Execution Vulnerability

Why it matters now

EPSS 0.03409 88th percentileScored 2026-11-07
Fix Fixed Microsoft: 3 updates

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0 to before 16.0.5422.100016.0.5422.1000Patch availableCNA
MicrosoftMicrosoft SharePoint Server 201916.0.0 to before 16.0.10404.2000316.0.10404.20003Patch availableCNA
MicrosoftMicrosoft SharePoint Server Subscription Edition16.0.0 to before 16.0.16731.2035016.0.16731.20350Patch availableCNA
  • Microsoft SharePoint Enterprise Server 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5422.1000 Fixed in 16.0.5422.1000 Patch available CNA
  • Microsoft SharePoint Server 2019 VendorMicrosoft Affected 16.0.0 to before 16.0.10404.20003 Fixed in 16.0.10404.20003 Patch available CNA
  • Microsoft SharePoint Server Subscription Edition VendorMicrosoft Affected 16.0.0 to before 16.0.16731.20350 Fixed in 16.0.16731.20350 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*2016VulnerableMicrosoft
cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*2019VulnerableMicrosoft
  • cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft

Remediation

Microsoft 3 updates

  • Security Update
    • Microsoft SharePoint Server Subscription Edition 16.0.16731.20350
  • Security Update
    • Microsoft SharePoint Server 2019 16.0.10404.20003
  • Security Update
    • Microsoft SharePoint Enterprise Server 2016 16.0.5422.1000

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation More Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-38177
  2. 2026-10-03 Alias added: GHSA-jq2p-9w9x-5vq6

References

  • 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