What’s Vulnerable › Vulnerabilities

CVE-2023-21794: Microsoft Edge (Chromium-based) Spoofing Vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-14 · updated 2026-08-19
• Weakness: CWE-290

Description

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Affected products

• Microsoft Edge (Chromium): before 110.0.1587.41 — fixed in 110.0.1587.41
• Microsoft Edge (Chromium): from 1.0.0 before 110.0.1587.41 — fixed in 110.0.1587.41

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 110.0.1587.41; Microsoft Edge (Chromium) 110.0.1587.41. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21794
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21794
• https://security.gentoo.org/glsa/202309-17

Get alerted when CVE-2023-21794 or the next vulnerability affects your stack