Microsoft Edge Beta 140.0.3485.11
Microsoft Edge Beta 140.0.3485.11, released August 14, 2025, fixes 6 CVEs in Microsoft Edge Beta. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge Beta is 158.0.4370.16, which also fixes every one of these CVEs.
Superseded. The latest Microsoft Edge Beta is 158.0.4370.16, which also fixes every CVE on this page. Install that instead.
Priority of the 6 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge Beta | 140.0.3485.11 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2025-9478 | Chromium: CVE-2025-9478 Use after free in ANGLE | 9.6 | 0.0742 | None reported |
| Urgent | CVE-2025-8901 | Chromium: CVE-2025-8901 Out of bounds write in ANGLE | 9.6 | 0.0034 | None reported |
| High | CVE-2025-8879 | Chromium: CVE-2025-8879 Heap buffer overflow in libaom | 8.8 | 0.0030 | None reported |
| High | CVE-2025-8880 | Chromium: CVE-2025-8880 Race in V8 | 8.8 | 0.0028 | None reported |
| High | CVE-2025-8882 | Chromium: CVE-2025-8882 Use after free in Aura | 8.8 | 0.0027 | None reported |
| Routine | CVE-2025-8881 | Chromium: CVE-2025-8881 Inappropriate implementation in File Picker | 6.5 | 0.0026 | None reported |
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