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CVE-2026-66321

Status: UPDATED  |  Advisory ID: CVE-2026-66321

Key Details

CVECVE-2026-66321
CVSSCVSS 7.4 (High): attack vector is network; attack complexity is low; privileges required is none; user interaction is required; scope is changed; confidentiality impact is high; integrity impact is none; availability impact is none. (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N)
Affected productsMicrosoft Edge (Chromium-based)

What to Know

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-66321
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66321