High severity8.1NVD Advisory· Published Aug 4, 2026· Updated Aug 6, 2026
CVE-2026-66318
CVE-2026-66318
Description
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
Affected products
2Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66318nvdVendor Advisory
News mentions
1- Microsoft Edge Chromium: 14 Vulnerabilities Disclosed in Single Batch on August 4, 2026Vypr Intelligence · Aug 4, 2026