Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, the attack vector is network (AV:N) and user interaction is required (UI:R). What is the target context of the remote code execution?
Successful exploitation of this vulnerability requires the victim user to click a malicious link so that the attacker can initiate remote code execution on the renderer process.
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
The user would have to click on a specially crafted URL to be compromised by the attacker.
What is the version information for this release?
133.0.3065.51: 133.0.3065.51, 2/6/2025: 2/6/2025, 133.0.6943.53/54: 133.0.6943.53/54
Security updates
133.0.3065.51 — https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
Vulnerabilities 1
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Medium 6.5
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Revision history
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#1
Information published.
References
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CVE-2025-21283 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21283
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss