CVE-2026-72983: Internet Connection Sharing (ICS) Remote Code Execution Vulnerability
Internet Connection Sharing (ICS) Remote Code Execution Vulnerability
Other sources
Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execute code over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
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Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
Does exploitation require authentication or user interaction?
No. The supplied CVSS vector indicates no privileges are required and no user interaction is required. The attack vector is network-based and attack complexity is low.
What could an attacker gain from successful exploitation?
A successful attack can result in remote code execution. The CVSS impact metrics indicate high impact to confidentiality, integrity, and availability.
Which Windows products are identified as affected?
The listed products are Windows 10, Windows 11, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.
Can the supplied information identify affected Windows builds or configurations?
No. It identifies Windows product families but does not provide specific version, build, configuration, or Internet Connection Sharing enablement details.