Vulnerability · Published Dec 15, 2021 · Assigned by microsoft

CVE-2021-43239Windows Recovery Environment Agent Elevation of Privilege Vulnerability

High 7.1

In plain English

A high-severity security flaw in Windows 10 Version 2004 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.6%top 53.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Windows Recovery Environment Agent Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 21H1 10.0.0 – before 10.0.19043.1415
Microsoft Windows Server 2022 10.0.0 – before 10.0.20348.405
Microsoft Windows 10 Version 2004 10.0.0 – before 10.0.19041.1415
Microsoft Windows Server version 2004 10.0.0 – before 10.0.19041.1415
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.1415
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19042.1415
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.376
Microsoft Windows 10 Version 21H2 10.0.0 – before 10.0.19044.1415

References