CVE-2025-21212

Published: Feb 11, 2025Modified: Feb 28, 2025

6.5

Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 2.8 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

Description

Internet Connection Sharing (ICS) Denial of Service Vulnerability

Affected (14)

Products: Microsoft: Windows 10 1607, Windows 10 1809, Windows 10 21h2, Windows 10 22h2, Windows 11 22h2, Windows 11 23h2, Windows 11 24h2, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

12 products

Windows 10 1607

Windows 10 1809

Windows 10 21h2

Windows 10 22h2

Windows 11 22h2

Windows 11 23h2

Windows 11 24h2

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2022 23h2

Windows Server 2025

Configuration A

14 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1607	Before 10.0.14393.7785
Microsoft Windows 10 1607	Before 10.0.14393.7785
Microsoft Windows 10 1809	Before 10.0.17763.6893
Microsoft Windows 10 1809	Before 10.0.17763.6893
Microsoft Windows 10 21h2	Before 10.0.19044.5487
Microsoft Windows 10 22h2	Before 10.0.19045.5487
Microsoft Windows 11 22h2	Before 10.0.22621.4890
Microsoft Windows 11 23h2	Before 10.0.22631.4890
Microsoft Windows 11 24h2	Before 10.0.26100.3194
Microsoft Windows Server 2016	Before 10.0.14393.7785
Microsoft Windows Server 2019	Before 10.0.17763.6893
Microsoft Windows Server 2022	Before 10.0.20348.3207
Microsoft Windows Server 2022 23h2	Before 10.0.25398.1425
Microsoft Windows Server 2025	Before 10.0.26100.3194

Related CWEs

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21212

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

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