MSRC compact vulnerability detail

CVE-2025-27474 · Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability

Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

Severity
Important
Impact
Information Disclosure
CVSS
6.5 base · 5.7 temporal
Release
2025-04-08
Signals
Windows Routing and Remote Access Service (RRAS) Information Disclosure Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
Patch Diff
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Resolved binary override
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Description
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
FAQ / Articles
FAQ
What type of information could be disclosed by this vulnerability? An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.
Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
FAQ
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? This attack requires an admin user on the client to connect to a malicious server and then take specific actions which could result in information disclosure.