What’s Vulnerable › Vulnerabilities

CVE-2021-41351: Microsoft Edge (Chrome based) Spoofing on IE Mode

• Severity: medium (CVSS 4.3 v2.0)
• 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: 2021-11-10 · updated 2026-08-19

Description

Microsoft Edge (Chrome based) Spoofing on IE Mode

Affected products

• Microsoft Edge: all versions
• Microsoft Edge: from 10.0.0.0 before 10.0.17763.2300 — fixed in 10.0.17763.2300

How to fix

Upgrade to a fixed version: Microsoft Edge 10.0.17763.2300. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-41351
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41351

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