CVE-2025-21283: 
vulnerability analysis and mitigation

Microsoft Edge (Chromium-based) has been identified with a Remote Code Execution vulnerability (CVE-2025-21283). The vulnerability was first disclosed on February 6, 2025, and affects Microsoft Edge browser versions up to 133.0.3065.51. This security issue has been assigned a CVSS v3 Base Score of 8.8 (High), indicating its significant severity (CVE Details, AttackerKB).

The vulnerability has been classified with a CVSS v3.1 vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. This indicates that the vulnerability can be exploited over the network, requires low attack complexity, needs no privileges, but does require user interaction. The impact potential is high across all three security aspects - confidentiality, integrity, and availability (AttackerKB).

The vulnerability poses significant risks with high potential impact on confidentiality, integrity, and availability of the affected systems. As a remote code execution vulnerability, it could allow attackers to execute arbitrary code on affected systems, potentially leading to complete system compromise (AttackerKB).

Microsoft has released security updates to address this vulnerability. Users are advised to update to the latest version of Microsoft Edge. The fix was initially released in Microsoft Edge version 133.0.3065.51 and has been included in subsequent releases (Microsoft Learn).