MicrosoftCVE-2026-70341
Microsoft Edge: use after free
High8.5CVE-2026-70341 · Published Sep 11, 2026 · updated Sep 16, 2026
Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Microsoft Edge (Chromium-based) Product | >= 1.0.0.0, < 152.0.4191.52 | 152.0.4191.52 |
| Microsoft Edge for Android Product | >= 1.0.0.0, < 152.0.4191.52 | 152.0.4191.52 |
| Microsoft Edge for Linux Product | >= 1.0.0, < 152.0.4191.52 | 152.0.4191.52 |
| Microsoft Edge for MAC Product | >= 1.0.0.0, < 152.0.4191.52 | 152.0.4191.52 |
| Microsoft Edge for iOS Product | >= 1.0.0.0, < 152.0.4191.52 | 152.0.4191.52 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-416
More Microsoft advisories
All Microsoft| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 11 | Microsoft Edge (Chromium-based): cross-site scripting | Medium6.1 | 151.0.4129.107 |
| Sep 8 | Microsoft Skype for Business: spoofing | High8.3 | 6.0.9319.885+2 more |
| Sep 8 | Microsoft Skype for Business: cross-site scripting | Medium6.5 | 6.0.9319.885+2 more |
| Sep 8 | Microsoft Skype for Business: spoofing | High7.1 | 6.0.9319.885+2 more |
| Sep 8 | Microsoft Skype for Business: information disclosure | Medium6.5 | 6.0.9319.885+2 more |
| Sep 8 | Microsoft Skype for Business: integer overflow | High7.5 | 6.0.9319.885+2 more |