Advisoriesby IbisMicrosoftCVE-2026-66798
Microsoft Edge: use after free
Fix: upgrade to 152.0.4191.53 or later (3 fixed versions below)
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Microsoft Edge (Chromium-based) Product | >= 1.0.0.0, < 152.0.4191.53 | 152.0.4191.53 |
| 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 Windows 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 |
Changes since it was listed
Fixed in: Microsoft Edge for Android 152.0.4191.52, Microsoft Edge for iOS 152.0.4191.52, Microsoft Edge for Linux 152.0.4191.52 to Microsoft Edge (Chromium-based) 152.0.4191.53, Microsoft Edge for Android 152.0.4191.52, Microsoft Edge for iOS 152.0.4191.52
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-416