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EXPOSURES › CVE-2026-66321

CVE-2026-66321

HIGH
DETAIL
SourceNVD · cve Published2026-08-04 CVSS7.4 Referencehttps://nvd.nist.gov/vuln/detail/CVE-2026-66321 ↗

▸ RECOMMENDED ACTION  Patch the affected products and confirm your instances are covered.

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 FEDRAMP PRODUCTS · 4
PRODUCTSTATUS
Azure Commercial Cloud
Microsoft
Authorized
Azure Government (includes Dynamics 365)
Microsoft
Authorized
Microsoft Office 365 GCC High
Microsoft
In Process
Office 365 Multi-Tenant & Supporting Services
Microsoft
Authorized