What is CVE-2021-43211?

CVE-2021-43211 is a medium-severity vulnerability in Microsoft Windows 10 Update Assistant, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2021-11-24.

How severe is CVE-2021-43211?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-43211 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Microsoft Windows 10 Update Assistant

CVE-2021-43211

Windows 10 Update Assistant Elevation of Privilege Vulnerability

Vulnerability class: Privilege Escalation

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Microsoft Windows_10_update_assistant
Microsoft Windows Update Assistant — versions 10.0.0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

iAvoe/iAvoe

References

secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43211?: CVE-2021-43211 is a medium-severity vulnerability in Microsoft Windows 10 Update Assistant, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2021-11-24.
How severe is CVE-2021-43211?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-43211 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.