Windows apps · Microsoft
Microsoft Edge Dev security updates
The latest version of Microsoft Edge Dev is 159.0.4378.0, released November 2, 2026. Patch Radar has 23 security fixes for Microsoft Edge Dev, closing 4,071 CVEs, 47 of which are being exploited. The newest is Microsoft Edge Dev 157.0.4322.0 (157.0.4322.0), released October 6, 2026.
47 exploited CVEs
Latest version
159.0.4378.0
Released Nov 2, 2026
Security fixes
23
On record in Patch Radar
CVEs
4,071
Closed by those fixes
Exploited
47
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|
| Urgent | Microsoft Edge Dev 157.0.4322.0 | 157.0.4322.0 | 340 | Oct 6, 2026 | |
| Urgent | Microsoft Edge Dev 156.0.4285.0 | 156.0.4285.0 | 225 | Sep 17, 2026 | |
| Patch now | Microsoft Edge Dev 155.0.4273.0 | 155.0.4273.0 | 128 | 1 | Sep 11, 2026 |
| Patch now | Microsoft Edge Dev 154.0.4238.0 | 154.0.4238.0 | 243 | 1 | Aug 25, 2026 |
| Patch now | Microsoft Edge Dev 153.0.4224.0 | 153.0.4224.0 | 311 | 1 | Aug 17, 2026 |
| Patch now | Microsoft Edge Dev 152.0.4167.0 | 152.0.4167.0 | 1,695 | 7 | Jul 20, 2026 |
| High | Microsoft Edge Dev 142.0.3558.0 | 142.0.3558.0 | 12 | Sep 15, 2025 | |
| Patch now | Microsoft Edge Dev 141.0.3500.1 | 141.0.3500.1 | 12 | 1 | Aug 19, 2025 |
| High | Microsoft Edge Dev 140.0.3421.0 | 140.0.3421.0 | 14 | Jul 7, 2025 | |
| High | Microsoft Edge Dev 139.0.3405.13 | 139.0.3405.13 | 6 | Jul 3, 2025 | |
| Patch now | Microsoft Edge Dev 139.0.3365.2 | 139.0.3365.2 | 15 | 2 | Jun 10, 2025 |
| Patch now | Microsoft Edge Dev 138.0.3309.1 | 138.0.3309.1 | 14 | 1 | May 14, 2025 |
| Urgent | Microsoft Edge Dev 137.0.3255.0 | 137.0.3255.0 | 8 | Apr 11, 2025 | |
| High | Microsoft Edge Dev 136.0.3193.0 | 136.0.3193.0 | 12 | Mar 13, 2025 | |
| Patch now | Microsoft Edge Dev 135.0.3140.0 | 135.0.3140.0 | 17 | 2 | Feb 15, 2025 |
| High | Microsoft Edge Dev 134.0.3081.2 | 134.0.3081.2 | 16 | Jan 22, 2025 | |
| High | Microsoft Edge Dev 133.0.2992.0 | 133.0.2992.0 | 17 | Dec 2, 2024 | |
| High | Microsoft Edge Dev 132.0.2917.0 | 132.0.2917.0 | 19 | Oct 25, 2024 | |
| High | Microsoft Edge Dev 131.0.2863.0 | 131.0.2863.0 | 25 | Sep 28, 2024 | |
| Urgent | Microsoft Edge Dev 130.0.2808.0 | 130.0.2808.0 | 16 | Aug 30, 2024 | |
| Patch now | Microsoft Edge Dev 129.0.2752.4 | 129.0.2752.4 | 29 | 2 | Aug 7, 2024 |
| Patch now | Microsoft Edge Dev 127.0.2651.8 | 127.0.2651.8 | 873 | 29 | Jun 21, 2024 |
| High | Microsoft Edge Dev 128.0.2661.0 | 128.0.2661.0 | 24 | Jun 19, 2024 |