Microsoft Edge WebView2 Runtime 143.0.3650.80
Microsoft Edge WebView2 Runtime 143.0.3650.80, released December 11, 2025, fixes 3 CVEs in Microsoft Edge WebView2 Runtime. One of them is being exploited (CVE-2025-14174); 1 on CISA KEV. Patch Radar priority: Patch now. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every one of these CVEs.
Superseded. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every CVE on this page. Install that instead.
Priority of the 3 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge WebView2 Runtime | 143.0.3650.80 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Patch now | CVE-2025-14174 | Chromium: CVE-2025-14174 Out of bounds memory access in ANGLE | 8.8 | 0.5533 | KEVExploited |
| Routine | CVE-2025-14373 | Chromium: CVE-2025-14373 Inappropriate implementation in Toolbar | 4.3 | 0.0028 | None reported |
| Routine | CVE-2025-14372 | Chromium: CVE-2025-14372 Use after free in Password Manager | 6.1 | 0.0025 | None reported |
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