CVE-2023-21775: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Severity: high (CVSS 8.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-23 · updated 2026-06-17

Description

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Affected products

Microsoft Edge (Chromium): before 108.0.1462.95; before 109.0.1518.70 — fixed in 108.0.1462.95, 109.0.1518.70
Microsoft Edge (Chromium): from 1.0.0 before 109.0.1518.49 — fixed in 109.0.1518.49

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 108.0.1462.95, 109.0.1518.70; Microsoft Edge (Chromium) 109.0.1518.49. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21775
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21775
https://security.gentoo.org/glsa/202311-11

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