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.
MSRC compact vulnerability detail
CVE-2025-21315 · Microsoft Brokering File System Elevation of Privilege Vulnerability
No description was published by MSRC.
Signals
Microsoft Brokering File System
Elevation of Privilege
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation More Likely
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
No description was published by MSRC.
FAQ / Articles
FAQ
What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker who successfully exploited this vulnerability could potentially gain the ability to crash the system by exploiting the use-after-free vulnerability, even as a standard user.
FAQ
According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code at a higher integrity level than that of the AppContainer execution environment.