CVE-2026-66321

EUVD-2026-52522
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Type Confusion
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.4 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 44.74%
Affected Products (NVD)
VendorProductVersion
microsoftedge_chromium
𝑥
< 151.0.4129.59
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66321