Microsoft Edge WebView2 Runtime 133.0.3065.51
Microsoft Edge WebView2 Runtime 133.0.3065.51, released February 6, 2025, fixes 9 CVEs in Microsoft Edge WebView2 Runtime. None of them is reported as exploited. Patch Radar priority: Urgent. 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Superseded.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 9 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge WebView2 Runtime | 133.0.3065.51 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2025-0444 | Chromium: CVE-2025-0444 Use after free in Skia | 9.6 | 0.0046 | None reported |
| High | CVE-2025-21279 | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0161 | Exploitation Less Likely |
| High | CVE-2025-21283 | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0149 | Exploitation Less Likely |
| High | CVE-2025-21408 | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0132 | Exploitation Unlikely |
| High | CVE-2025-21342 | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0125 | Exploitation Less Likely |
| Routine | CVE-2025-21404 | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 4.3 | 0.0108 | Exploitation Less Likely |
| Routine | CVE-2025-21267 | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 4.4 | 0.0057 | Exploitation Less Likely |
| Routine | CVE-2025-0445 | Chromium: CVE-2025-0445 Use after free in V8 | 5.4 | 0.0039 | None reported |
| Routine | CVE-2025-0451 | Chromium: CVE-2025-0451 Inappropriate implementation in Extensions API | 6.3 | 0.0037 | None reported |
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