Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, the attack vector is network (AV:N), user interaction is required (UI:R), and privileges required are none (PR:N). What does that mean for this vulnerability?
Exploitation of this vulnerability requires an unauthorized attacker to wait for a user to initiate a connection to a malicious server that the attacker has set up prior to the user connecting.
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
10.0.17763.8146 — https://support.microsoft.com/help/5071544
10.0.20348.4529 — https://support.microsoft.com/help/5071547
10.0.20348.4467 — https://support.microsoft.com/help/5071413
10.0.19044.6691 — https://support.microsoft.com/help/5071546
10.0.26100.7462 — https://support.microsoft.com/help/5072033
10.0.26100.7392 — https://support.microsoft.com/help/5072014
10.0.22631.6345 — https://support.microsoft.com/help/5071417
10.0.25398.2025 — https://support.microsoft.com/help/5071542
10.0.14393.8688 — https://support.microsoft.com/help/5071543
6.0.6003.23666 — https://support.microsoft.com/help/5071504
6.0.6003.23666 — https://support.microsoft.com/help/5071507
6.1.7601.28064 — https://support.microsoft.com/help/5071501
6.1.7601.28064 — https://support.microsoft.com/help/5071506
6.2.9200.25815 — https://support.microsoft.com/help/5071505
6.3.9600.22920 — https://support.microsoft.com/help/5071503
Vulnerabilities 1
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High 8.8
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Untrusted pointer dereference 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-2025-62549 Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62549
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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