CVE-2021-41357

Highest-risk unexploited with PoCs

Exploit code exists, no confirmed in-the-wild activity, ranked by EPSS

Confirmed exploited in the wild, sorted by most recently updated

CVSS 7.8EPSS 2%

Published 2021-10-13Updated 2026-04-08

Exploited in the wild

Win32k Elevation of Privilege Vulnerability

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

CNAmicrosoft

2 links

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CVSS

7.8

EPSS

Published

2021-10-13

Updated

2026-04-08

CNA

microsoft

Microsoft

7 products

cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288:*:*:*:*:*:arm64:*

cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288:*:*:*:*:*:x86:*

cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1288:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1288:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1288:*:*:*:*:*:x86:*

cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1288:*:*:*:*:*:arm64:*

cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1288:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258:*:*:*:*:*:arm64:*