What’s Vulnerable › Vulnerabilities

CVE-2017-0203

• Severity: medium (CVSS 4.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-12 · updated 2026-06-17

Description

A vulnerability exists in Microsoft Edge when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents. An attacker could trick a user into loading a web page with malicious content, aka "Microsoft Edge Security Feature Bypass Vulnerability."

Affected products

• Microsoft Edge: all versions
• Microsoft Edge Microsoft Edge: Microsoft Edge Microsoft Edge

References

• http://www.securityfocus.com/bid/97443
• http://www.securitytracker.com/id/1038234
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0203
• http://www.securityfocus.com/bid/97443
• http://www.securitytracker.com/id/1038234
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0203

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