CVE-2021-43239
published 2021-12-15CVE-2021-43239: Windows Recovery Environment Agent Elevation of Privilege Vulnerability
PriorityP337high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.54%
42.0th percentile
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Affected
31 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_2004 | >= 10.0.0 < 10.0.19041.1415 | 10.0.19041.1415 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1415 | 10.0.19042.1415 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1415 | 10.0.19043.1415 |
| microsoft | windows_10_version_21h2 | >= 10.0.0 < 10.0.19044.1415 | 10.0.19044.1415 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.376 | 10.0.22000.376 |
| microsoft | windows_server | — | — |
| microsoft | windows_server | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2022 | >= 10.0.0 < 10.0.20348.405 | 10.0.20348.405 |
| microsoft | windows_server_version_2004 | >= 10.0.0 < 10.0.19041.1415 | 10.0.19041.1415 |
| microsoft | windows_server_version_20h2 | >= 10.0.0 < 10.0.19042.1415 | 10.0.19042.1415 |
| msrc | windows_10_version_2004_for_32-bit_systems | — | — |
| msrc | windows_10_version_2004_for_arm64-based_systems | — | — |
| msrc | windows_10_version_2004_for_x64-based_systems | — | — |
| msrc | windows_10_version_20h2_for_32-bit_systems | — | — |
| msrc | windows_10_version_20h2_for_arm64-based_systems | — | — |
| msrc | windows_10_version_21h1_for_32-bit_systems | — | — |
| msrc | windows_10_version_21h1_for_arm64-based_systems | — | — |
| msrc | windows_10_version_21h1_for_x64-based_systems | — | — |
| msrc | windows_10_version_21h2_for_32-bit_systems | — | — |
| msrc | windows_10_version_21h2_for_arm64-based_systems | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
vendor_msrc7.1HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Microsoft
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
vendor_msrc·2021-12-14·CVSS 7.1
CVE-2021-43239 [HIGH] Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Windows Update Stack: Windows Update Stack
Microsoft: Microsoft
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5008212
Reference: https://support.microsoft.com/help/5008212
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5008223
Reference: https://support.microsoft.com/help/5008223
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5008215
GHSA
GHSA-ggw5-48gv-558x: Windows Recovery Environment Agent Elevation of Privilege Vulnerability
ghsa_unreviewed·2021-12-16
CVE-2021-43239 [HIGH] CWE-269 GHSA-ggw5-48gv-558x: Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-12-15
Published