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TI-2021-19222 Aliases CVE-2021-43211GHSA-5g3j-j755-p6f8

Windows 10 Update Assistant Elevation of Privilege Vulnerability

Priority LOW 33CWE-269Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.

Summary

Windows 10 Update Assistant Elevation of Privilege Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00859 58th percentileScored 2026-11-07
Fix Fixed Windows Update Assistant (Microsoft): publication

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
MicrosoftWindows Update Assistant10.0.0 to before publicationpublicationPatch availableCNA
  • Windows Update Assistant VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:windows_10_update_assistant:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:windows_10_update_assistant:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

  • Fix · CNA Windows Update Assistant (Microsoft) Fixed in publication

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43211
  2. 2026-10-03 Alias added: GHSA-5g3j-j755-p6f8

References

Patch 2

  • TI-2021-15022 Windows 10 Update Assistant Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2021-18730 Windows 10 Update Assistant Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2019-01089 Incorrect permission assignment in Microsoft Windows Update Assistant CVSS 3.1HIGH 7.8

Sources

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