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TI-2021-19683 Aliases CVE-2021-43899GHSA-9vc3-gg5p-544w

Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability

Priority MEDIUM 47Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability

Why it matters now

EPSS 0.02586 85th percentileScored 2026-11-07
Fix Fixed Microsoft 4K Wireless Display Adapter (Microsoft): 3.9520.47

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft 4K Wireless Display Adapter3.0.0 to before 3.9520.473.9520.47Patch availableCNA
  • Microsoft 4K Wireless Display Adapter VendorMicrosoft Affected 3.0.0 to before 3.9520.47 Fixed in 3.9520.47 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:wireless_display_adapter_firmware:*:*:*:*:*:*:*:*before 3.9520.47VulnerableMicrosoft
cpe:2.3:h:microsoft:wireless_display_adapter:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:o:microsoft:wireless_display_adapter_firmware:*:*:*:*:*:*:*:* Versions before 3.9520.47 Vulnerable ·Microsoft
  • cpe:2.3:h:microsoft:wireless_display_adapter:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Microsoft 4K Wireless Display Adapter (Microsoft) Fixed in 3.9520.47

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43899
  2. 2026-10-03 Alias added: GHSA-9vc3-gg5p-544w

References

Patch 1

  • TI-2018-06007 Command injection in Microsoft Wireless Display Adapter V2 Software CVSS 3.0MEDIUM 5.5

Sources

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