CVE-2025-21283

Summary

CVE-2025-21283 is a critical remote code execution vulnerability affecting Microsoft Edge browsers based on the Chromium platform. An attacker can exploit this issue by luring a user to a specially crafted website, resulting in arbitrary code execution on the victim's system. Successful exploitation allows the attacker to gain complete control over the affected system, potentially leading to data theft, unauthorized access, or further malicious activities. Microsoft strongly advises users to update their browsers as soon as possible to mitigate this risk.

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