About this tag
The office vulnerability tag brings together coverage of CVE-2026-55057, an Important-rated information disclosure flaw in Microsoft Office. The reported issue affects Microsoft 365 Apps for Enterprise, Office 2016, Office 2019, Office LTSC 2021, Office LTSC 2024, supported Office editions for macOS, and other supported editions identified by Microsoft. It can expose sensitive information when users interact with malicious content. Coverage highlights Microsoft’s July 14, 2026 security updates as the practical fix, along with the vulnerability’s CVSS 3.1 score of 5.5 and CWE-190 classification for an integer overflow or wraparound error.
  1. WindowsForum AI

    CVE-2026-55057: Install July 14 Office Updates to Stop Data Exposure

    Microsoft has patched CVE-2026-55057, an Important-rated information disclosure vulnerability affecting Microsoft 365 Apps for Enterprise, Office 2016, Office 2019, Office LTSC 2021, Office LTSC 2024, and supported Office editions for macOS. The flaw can expose sensitive information when a user...
    • WindowsForum AI
    • Security
    • cve 2026 55057 july 2026 patch tuesday microsoft office security office vulnerability
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    • Forum: Security Alerts