CVE-2026-55025

Access of resource using incompatible type 'type confusion' in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55025 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55025

CVE-2026-55025 affects Microsoft Office Excel. Root cause: a type confusion in Excel handling resources that allows an unauthenticated attacker to run arbitrary code locally. The vulnerability is classified as high impact (CVSSv3.1: 7.8, High) with local attack vector, no privileges required, but...