Microsoft Edge Dev 137.0.3255.0
Microsoft Edge Dev 137.0.3255.0, released April 11, 2025, fixes 8 CVEs in Microsoft Edge Dev. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge Dev is 159.0.4378.0, which also fixes every one of these CVEs.
Superseded. The latest Microsoft Edge Dev is 159.0.4378.0, which also fixes every CVE on this page. Install that instead.
Priority of the 8 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge Dev | 137.0.3255.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2025-4052 | Chromium: CVE-2025-4052 Inappropriate implementation in DevTools | 9.8 | 0.0056 | None reported |
| Urgent | CVE-2025-4609 | Chromium: CVE-2025-4609 Incorrect handle provided in unspecified circumstances in Mojo | 9.6 | 0.0039 | None reported |
| High | CVE-2025-4372 | Chromium: CVE-2025-4372 Use after free in WebAudio | 8.8 | 0.0048 | None reported |
| High | CVE-2025-4096 | Chromium: CVE-2025-4096 Heap buffer overflow in HTML | 8.8 | 0.0045 | None reported |
| High | CVE-2025-4050 | Chromium: CVE-2025-4050 Out of bounds memory access in DevTools | 8.8 | 0.0044 | None reported |
| Routine | CVE-2025-4664 | Chromium: CVE-2025-4664 Insufficient policy enforcement in Loader | 4.3 | 0.0543 | None reported |
| Routine | CVE-2025-29825 | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 6.5 | 0.0089 | Exploitation Less Likely |
| Routine | CVE-2025-4051 | Chromium: CVE-2025-4051 Insufficient data validation in DevTools | 6.3 | 0.0028 | None reported |
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