MicrosoftCVE-2026-70339

Microsoft Edge (Chromium-based): type confusion

CVE-2026-70339 · Published Aug 11, 2026 · updated Aug 17, 2026

Medium5.4

Fix: upgrade to 151.0.4129.78 or later

Access of resource using incompatible type ('type confusion') 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, < 151.0.4129.78	151.0.4129.78

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-843

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