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MSRC compact vulnerability detail

CVE-2025-62473 · Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability

Buffer over-read 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
2025-12-09
Signals
Windows Routing and Remote Access Service (RRAS) Information Disclosure Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-126: Buffer Over-read
Patch Diff
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Resolved binary override
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Description
Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
FAQ / Articles
Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
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.
FAQ
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.