CVE-2021-42297: Windows 10 Update Assistant Elevation of Privilege Vulnerability

Overview

Severity

Medium (CVSS 5)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Nov

Released

2021-11-16

EPSS Score

1.12% (percentile: 78.3%)

FAQ

What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker would only be able to delete targeted files on a system. They would not gain privileges to view or modify file contents.

Affected Products (1)

Windows

• Windows Update Assistant

Security Updates (1)

• Release Notes

Acknowledgments

Abdelhamid Naceri working with <a href="https://www.zerodayinitiative.com/">Trend Micro Zero Day Initiative</a>, <a href="https://twitter.com/lxf02942370">Xuefeng Li</a> and <a href="https://twitter.com/edwardzpeng">Zhiniang Peng</a> with <a href="https://www.sangfor.com/">Sangfor</a>

Revision History

• 2021-11-16: Information published.