Summary
Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited — Exploitation More Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
An unauthenticated attacker could repeatedly send IPv6 packets, that include specially crafted packets, to a Windows machine which could enable remote code execution.
Windows 11, version 24H2 is not generally available yet. Why are there updates for this version of Windows listed in the Security Updates table?
The new Copilot+ devices that are now publicly available come with Windows 11, version 24H2 installed. Customers with these devices need to know about any vulnerabilities that affect their machine and to install the updates if they are not receiving automatic updates. Note that the general availability date for Windows 11, version 24H2 is scheduled for later this year.
Security updates
10.0.17763.6293 — https://support.microsoft.com/help/5043050
10.0.20348.2700 — https://support.microsoft.com/help/5042881
10.0.22000.3197 — https://support.microsoft.com/help/5043067
10.0.19044.4780 — https://support.microsoft.com/help/5041580
10.0.22621.4037 — https://support.microsoft.com/help/5041585
10.0.25398.1085 — https://support.microsoft.com/help/5041573
10.0.10240.20751 — https://support.microsoft.com/help/5041782
10.0.14393.7259 — https://support.microsoft.com/help/5041773
6.0.6003.22825 — https://support.microsoft.com/help/5041850
6.0.6003.22825 — https://support.microsoft.com/help/5041847
6.1.7601.27277 — https://support.microsoft.com/help/5041838
6.1.7601.27277 — https://support.microsoft.com/help/5041823
6.2.9200.25031 — https://support.microsoft.com/help/5041851
6.3.9600.22134 — https://support.microsoft.com/help/5041828
10.0.26100.1457 — https://support.microsoft.com/help/5041571
Vulnerabilities 1
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Critical 9.8
Windows TCP/IP Remote Code Execution Vulnerability
Windows TCP/IP Remote Code Execution Vulnerability
Revision history
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#2
To comprehensively address CVE-2024-38063, Microsoft has released September 2024 security updates for all affected versions of Windows 10 Version 1809, Windows Server 2019, Windows Server 2022, and Windows 11 Version 21H2. Microsoft recommends that customers install the updates to be fully protected from the vulnerability. Customers whose systems are configured to receive automatic updates do not need to take any further action.
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#1
Information published.
References
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CVE-2024-38063 Windows TCP/IP Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38063
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss