CVE-2023-21720: Microsoft Edge Chromium

Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days.

Microsoft Edge (Chromium-based) Tampering Vulnerability

Affected products

• Microsoft Edge Chromium: before 109.0.15.18.78 (fixed in 109.0.15.18.78)

Published 2023-02-14. Last modified 2026-08-19.