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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.

Microsoft advisory

Affected versions

PackageAffectedFixed in
Microsoft Edge (Chromium-based)
Product
>= 1.0.0.0, < 152.0.4191.52152.0.4191.52
Microsoft Edge for Android
Product
>= 1.0.0.0, < 152.0.4191.52152.0.4191.52
Microsoft Edge for Linux
Product
>= 1.0.0, < 152.0.4191.52152.0.4191.52
Microsoft Edge for MAC
Product
>= 1.0.0.0, < 152.0.4191.52152.0.4191.52
Microsoft Edge for iOS
Product
>= 1.0.0.0, < 152.0.4191.52152.0.4191.52
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

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