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TI-2021-18730 Aliases CVE-2021-42297GHSA-3jrq-x5vv-pvcw

Windows 10 Update Assistant Elevation of Privilege Vulnerability

Priority LOW 37CWE-59Published · Updated

Key facts

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

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

Summary

Windows 10 Update Assistant Elevation of Privilege Vulnerability

Why it matters now

EPSS 0.01442 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Windows Update Assistant (Microsoft): publication

SSVC decision points

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

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-2021-42297
  2. 2026-10-03 Alias added: GHSA-3jrq-x5vv-pvcw

References

Exploit 1

Patch 2

  • TI-2021-15022 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
  • TI-2021-19222 Windows 10 Update Assistant Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.1

Sources

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