Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.
Details
According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is required (UI:R). What is the target context of the remote code execution?
This attack requires a client to connect to a malicious server, and that could allow the attacker to gain code execution on the client.
How could an attacker exploit this vulnerability?
An attacker could exploit this vulnerability by tricking a user into sending a request to a malicious server. This could result in the server returning malicious data that might cause arbitrary code execution on the user's system.
Security updates
10.0.17763.7434 — https://support.microsoft.com/help/5060531
10.0.20348.3807 — https://support.microsoft.com/help/5060526
10.0.20348.3745 — https://support.microsoft.com/help/5060525
10.0.19044.5965 — https://support.microsoft.com/help/5060533
10.0.22621.5472 — https://support.microsoft.com/help/5060999
10.0.26100.4349 — https://support.microsoft.com/help/5060842
10.0.26100.4270 — https://support.microsoft.com/help/5060841
10.0.25398.1665 — https://support.microsoft.com/help/5060118
10.0.10240.21034 — https://support.microsoft.com/help/5060998
10.0.14393.8148 — https://support.microsoft.com/help/5061010
6.0.6003.23351 — https://support.microsoft.com/help/5061026
6.0.6003.23351 — https://support.microsoft.com/help/5061072
6.1.7601.27769 — https://support.microsoft.com/help/5061078
6.1.7601.27769 — https://support.microsoft.com/help/5061036
6.2.9200.25522 — https://support.microsoft.com/help/5061059
6.3.9600.22620 — https://support.microsoft.com/help/5061018
Vulnerabilities 1
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High 8.8
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
Revision history
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#1
Information published.
References
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CVE-2025-33066 Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33066
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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