cve 2026 55138

  1. CVE-2026-55138: Patch Excel Data Exposure With July Updates

    Microsoft has patched CVE-2026-55138, a Microsoft Excel information-disclosure vulnerability that can expose sensitive data when a user interacts with malicious content. Released on July 14, 2026, the flaw affects Microsoft 365 Apps for enterprise, Excel 2016, Office 2019, Office LTSC editions...
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    • cve 2026 55138 microsoft excel office security patch management
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    • Forum: Security Alerts