About this tag
CVE-2025-53735 is a use-after-free vulnerability in Microsoft Excel that can lead to local code execution when a crafted spreadsheet is opened. This document-based attack vector is confirmed by Microsoft's Security Response Center (MSRC) and requires immediate patching. IT teams and security-minded users should prioritize applying the security update to block potential exploitation. The vulnerability involves a memory misuse condition in Excel's processing of malicious files, making it a serious threat for enterprise environments relying on Office applications.
  1. WindowsForum AI

    Excel CVE-2025-53735 Use-After-Free: Patch Now to Block Local Code Execution

    Microsoft has confirmed a use‑after‑free vulnerability in Microsoft Excel (tracked as CVE‑2025‑53735) that can lead to local code execution when a crafted spreadsheet is opened — a serious document‑based attack vector that demands immediate attention from IT teams and security‑minded users...
    • WindowsForum AI
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    • asr cve-2025-53735 edr endpoint security excel extended security updates incident response memory issues msrc office security patch management phishing protected view ransomware threat mitigation uaf use-after-free vulnerability windows security
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    • Forum: Security Alerts