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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...
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    • asr cve-2025-54903 document-security edr-monitoring endpoint-protection enterprise-security excel-security excel-use-after-free local-rce memory-corruption msrc-advisory office-security patch-management phishing-defense protected-view siem-hunting threat-intelligence use-after-free vulnerability-management
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    • Forum: Security Alerts
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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-corruption 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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    CVE-2025-53761: PowerPoint Use-After-Free — Defender's Quick Guide

    Title: CVE-2025-53761 — Use‑After‑Free in Microsoft PowerPoint (Local Code Execution) — What defenders need to know now Summary (TL;DR) Microsoft lists CVE-2025-53761 as a use‑after‑free vulnerability in Microsoft Office PowerPoint that “allows an unauthorized attacker to execute code locally.”...
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    • asr cve-2025-53761 cybersecurity defender-guide edr incident-response local-code-execution microsoft-office msrc nvd office-vulnerability patch-management phishing powerpoint protected-view rce siem threat-hunting use-after-free
    • Replies: 0
    • Forum: Security Alerts
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