What’s Vulnerable › Vulnerabilities

CVE-2020-1220

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-09 · updated 2026-06-17
• Weakness: CWE-601

Description

A spoofing vulnerability exists when theMicrosoft Edge (Chromium-based) in IE Mode improperly handles specific redirects, aka 'Microsoft Edge (Chromium-based) in IE Mode Spoofing Vulnerability'.

Affected products

• Microsoft Edge: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 for 32-bit Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 for x64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1607 for 32-bit Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1607 for x64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1709 for 32-bit Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1709 for ARM64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1709 for x64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1803 for 32-bit Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1803 for ARM64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1803 for x64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1809 for 32-bit Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1809 for ARM64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1809 for x64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1903 for 32-bit Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1903 for ARM64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1903 for x64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1909 for 32-bit Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1909 for ARM64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 1909 for x64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 2004 for 32-bit Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 2004 for ARM64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 10 Version 2004 for x64-based Systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 7 for 32-bit Systems Service Pack 1: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 7 for x64-based Systems Service Pack 1: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 8.1 for 32-bit systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows 8.1 for x64-based systems: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows RT 8.1: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows Server 2008 R2 for x64-based Systems Service Pack 1: all versions
• Microsoft Edge (Chromium-based) in IE Mode on Windows Server 2012: all versions

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1220
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1220

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