cve 2026 55948

  1. CVE-2026-55948: Update Excel to Stop Malicious Workbook RCE

    CVE-2026-55948 is a high-severity Microsoft Excel vulnerability that can let an attacker run arbitrary code after a user opens a malicious workbook. Microsoft published the flaw on July 14, 2026, with a CVSS 3.1 score of 7.8 and the vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The apparent...
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    • cve 2026 55948 microsoft excel office security remote code execution
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