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MSRC compact vulnerability detail

CVE-2025-50158 · Windows NTFS Information Disclosure Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an unauthorized attacker to disclose information locally.

Severity
Important
Impact
Information Disclosure
CVSS
7.0 base · 6.3 temporal
Release
2025-08-12
Signals
Windows NTFS Information Disclosure Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
Patch Diff
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Resolved binary override
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Description
Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an unauthorized attacker to disclose information locally.
FAQ / Articles
Windows NTFS Information Disclosure Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an unauthorized attacker to disclose information locally.
FAQ
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.
FAQ
What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is the contents of Kernel memory. An attacker could read the contents of Kernel memory from a user mode process.