CVE-2025-21296

Summary

CVE-2025-21296 is a critical vulnerability affecting Microsoft BranchCache, a component that improves the offline availability and performance of branch office networks. Hackers can exploit this Remote Code Execution (RCE) weakness to run arbitrary code on targeted systems, potentially leading to serious data theft or system damage. This issue arises due to insufficient input validation in BranchCache, allowing attackers to inject malicious data and gain unauthorized access. System administrators are advised to install the available patch as soon as possible to mitigate the risk.

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