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TI-2022-06212 Aliases CVE-2022-21842GHSA-w79c-gwh4-8r76

Microsoft Word Remote Code Execution Vulnerability

Priority LOW 39Published · Updated

Key facts

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

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

Summary

Microsoft Word Remote Code Execution Vulnerability

Why it matters now

EPSS 0.024 84th percentileScored 2026-11-07
Fix Fixed Microsoft: 1 update

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 16.0.5266.100016.0.5266.1000Patch availableCNA
MicrosoftMicrosoft Word 201616.0.1 to before 16.0.5266.100016.0.5266.1000Patch availableCNA
  • Microsoft SharePoint Enterprise Server 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5266.1000 Fixed in 16.0.5266.1000 Patch available CNA
  • Microsoft Word 2016 VendorMicrosoft Affected 16.0.1 to before 16.0.5266.1000 Fixed in 16.0.5266.1000 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*2016VulnerableMicrosoft
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:*2016VulnerableMicrosoft
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x86:*2016VulnerableMicrosoft
  • cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:* Versions 2016 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x86:* Versions 2016 Vulnerable ·Microsoft

Remediation

Microsoft 1 update

  • KB5002113
    Security Update
    • Microsoft SharePoint Enterprise Server 2016 16.0.5266.1000

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft SharePoint Enterprise Server 2016Fixed 16.0.5266.1000 · Security Update
Microsoft Word 2016 (32-bit edition)Fixed 16.0.5266.1000 · Security Update
Microsoft Word 2016 (64-bit edition)Fixed 16.0.5266.1000 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-21842
  2. 2026-10-03 Alias added: GHSA-w79c-gwh4-8r76

References

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-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