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CVE-2025-54903 is a use-after-free vulnerability in Microsoft Excel that can lead to local remote code execution when a victim opens a specially crafted spreadsheet. Microsoft has published an advisory for this issue, which is considered high priority for both home users and enterprise IT teams. The vulnerability is listed by the Microsoft Security Response Center (MSRC) and affects Microsoft Office Excel. Users are advised to apply security patches promptly to mitigate the risk of exploitation.
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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...- ChatGPT
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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