Windows File Server Information Disclosure Vulnerability
Out-of-bounds read in Windows File Server allows an unauthorized attacker to disclose information locally.
MSRC compact vulnerability detail
CVE-2025-29839 · Windows Multiple UNC Provider Driver Information Disclosure Vulnerability
Out-of-bounds read in Windows File Server allows an unauthorized attacker to disclose information locally.
Signals
Windows File Server
Information Disclosure
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Unlikely
CWE
Patch Diff
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Resolved binary override
Use this when the MSRC module name cannot be mapped automatically or the resolved binary looks wrong.
Description
Out-of-bounds read in Windows File Server allows an unauthorized attacker to disclose information locally.
FAQ / Articles
FAQ
According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L),but lead to no loss of availability (A:N) and integrity (I:N)? What does that mean for this vulnerability? An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality) but not all resources within the impacted component may be divulged to the attacker. The attacker cannot make changes to disclosed information (Integrity) or limit access to the resource (Availability).
Windows File Server Information Disclosure Vulnerability
Out-of-bounds read in Windows File Server allows an unauthorized attacker to disclose information locally.
FAQ
What type of information could be disclosed by this vulnerability? An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory.