cve 2026 55898

  1. CVE-2026-55898: Update Excel with KB5002886 to Stop Data Exposure

    Microsoft has patched CVE-2026-55898, an information-disclosure vulnerability in Microsoft Excel that can expose data through an out-of-bounds memory read. The flaw affects supported Windows and macOS editions of Office, as well as Office Online Server, and requires a user to interact with...
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    • cve 2026 55898 microsoft excel office security patch management
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    • Forum: Security Alerts