cve 2026 55054

  1. CVE-2026-55054: Patch Excel Memory Disclosure With July Updates

    Microsoft has patched CVE-2026-55054, an information-disclosure vulnerability in Excel that can expose sensitive memory when a user interacts with malicious content. The flaw carries a CVSS 3.1 base score of 6.5 and affects supported editions of Microsoft 365 Apps, Office 2019, Office LTSC...
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    • cve 2026 55054 information disclosure microsoft excel office security updates
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