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TI-2025-31676 Aliases CVE-2025-49706GHSA-j67g-r75f-8hgp

Microsoft SharePoint Server Spoofing Vulnerability

Priority CRITICAL 86Exploited in the wildCWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

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

Summary

Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Why it matters now

Exploitation Active In CISA KEV since 2025-07-22CISA due date 2025-07-23Known ransomware use
EPSS 0.99057 99th percentileScored 2026-11-07
Fix Fixed Microsoft: 3 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0 to before 16.0.5508.100016.0.5508.1000Patch availableCNA
MicrosoftMicrosoft SharePoint Server 201916.0.0 to before 16.0.10417.2002716.0.10417.20027Patch availableCNA
MicrosoftMicrosoft SharePoint Server Subscription Edition16.0.0 to before 16.0.18526.2042416.0.18526.20424Patch availableCNA
  • Microsoft SharePoint Enterprise Server 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5508.1000 Fixed in 16.0.5508.1000 Patch available CNA
  • Microsoft SharePoint Server 2019 VendorMicrosoft Affected 16.0.0 to before 16.0.10417.20027 Fixed in 16.0.10417.20027 Patch available CNA
  • Microsoft SharePoint Server Subscription Edition VendorMicrosoft Affected 16.0.0 to before 16.0.18526.20424 Fixed in 16.0.18526.20424 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:*:*:*before 16.0.18526.20424VulnerableMicrosoft
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 before 16.0.18526.20424 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft

Remediation

Microsoft 3 updates

  • KB5002751
    Security Update
    • Microsoft SharePoint Server Subscription Edition 16.0.18526.20424
  • KB5002744
    Security Update
    • Microsoft SharePoint Enterprise Server 2016 16.0.5508.1000
  • KB5002741
    Security Update
    • Microsoft SharePoint Server 2019 16.0.10417.20027

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Spoofing
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2025-07-22 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2025-49706
  3. 2026-10-03 Alias added: GHSA-j67g-r75f-8hgp

References

Patch 1

Advisory 1

  • 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-2022-17767 Microsoft SharePoint Server Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
See all 255 →

Sources

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