High severity7.4NVD Advisory· Published Aug 4, 2026· Updated Aug 6, 2026
CVE-2026-66321
CVE-2026-66321
Description
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Affected products
2Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66321nvdVendor Advisory
News mentions
1- Microsoft Edge Chromium: 14 Vulnerabilities Disclosed in Single Batch on August 4, 2026Vypr Intelligence · Aug 4, 2026