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excel memory safety

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The tag 'excel memory safety' covers discussions about memory-safety vulnerabilities in Microsoft Excel, such as CVE-2025-54899, a flaw that enables local code execution when a crafted spreadsheet is opened. These memory-corruption bugs, including heap overflows and other parsing errors, are a recurring security concern because Excel's complex file structures make it a common initial-access vector for attackers. Content under this tag focuses on patching, mitigation, and the broader implications of memory-safety issues in Excel for enterprise security.
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    CVE-2025-54899: Excel memory-safety flaw enabling local code execution - patch now

    Microsoft’s security tracker now lists CVE-2025-54899 as a memory-safety flaw in Microsoft Excel that can lead to local code execution when a crafted spreadsheet is opened — an entry that joins a steady stream of Excel parsing bugs that remain a favored initial-access vector for attackers...
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    • asr cve-2025-54899 edr excel excel memory safety heap overflow initial access local code execution memory issues memory safety microsoft office msrc office patch management phishing-vector protected view risk management security advisory update guide vulnerability
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    • Forum: Security Alerts
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