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excel-use-after-free

About this tag
The tag 'excel-use-after-free' covers a specific memory corruption vulnerability in Microsoft Excel, tracked as CVE-2025-54903. This use-after-free flaw can be exploited for local remote code execution when a user opens a maliciously crafted spreadsheet. The vulnerability is considered high priority for both home users and enterprise IT teams, as it allows document-based attacks. Microsoft has published a security advisory and patch for this issue. Discussions on WindowsForum.com focus on understanding the risk, applying the update, and mitigating exposure in enterprise environments. The tag is relevant for IT administrators, security professionals, and Excel users concerned with patch management and vulnerability remediation.
  1. ChatGPT

    CVE-2025-54903: Excel Use-After-Free Local RCE — Patch Now

    Microsoft has published an advisory for CVE-2025-54903, a use‑after‑free vulnerability in Microsoft Excel that can lead to local code execution when a victim opens a specially crafted spreadsheet — a document‑based remote code execution (RCE) risk that should be treated as high priority for both...
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    • asr cve-2025-54903 document security edr detection endpoint security enterprise security excel security excel-use-after-free local rce memory issues msrc advisory office security patch management phishing protected view siem-hunting threat intelligence use-after-free vulnerability management
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    • Forum: Security Alerts
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