CVE-2023-38148: Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-12 · updated 2026-06-17
Weakness: CWE-121

Description

Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

Affected products

Microsoft Windows 10: before 10.0.19044.3448 — fixed in 10.0.19044.3448
Microsoft Windows 10: before 10.0.19045.3448 — fixed in 10.0.19045.3448
Microsoft Windows 11 21H2: before 10.0.22000.2416 — fixed in 10.0.22000.2416
Microsoft Windows Server 2022: before 10.0.20348.1960 — fixed in 10.0.20348.1960
Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.3448 — fixed in 10.0.19044.3448
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.3448 — fixed in 10.0.19045.3448
Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.2416 — fixed in 10.0.22000.2416
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.2283 — fixed in 10.0.22621.2283
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1970 — fixed in 10.0.20348.1970

How to fix

Upgrade to a fixed version: Microsoft Windows 10 10.0.19044.3448; Microsoft Windows 10 10.0.19045.3448; Microsoft Windows 11 21H2 10.0.22000.2416; Microsoft Windows Server 2022 10.0.20348.1960; Microsoft Windows 10 10.0.19044.3448; Microsoft Windows 10 10.0.19045.3448; Microsoft Windows 11 21H2 10.0.22000.2416; Microsoft Windows 11 10.0.22621.2283; Microsoft Windows Server 2022 10.0.20348.1970. Check the vendor advisory for mitigations.

References

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