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  1. CVE-2025-54910: Office Heap Overflow Leading to Local Code Execution — Patch Guidance

    Microsoft’s Security Update Guide lists CVE-2025-54910 as a heap-based buffer overflow in Microsoft Office that can allow an attacker to execute code locally when a crafted Office document is processed, but the vendor’s advisory requires direct inspection for exact builds and KB identifiers...
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    • asr rules cve-2025-54910 defender for endpoint enterprise security heap overflow incident response kb numbers local code execution memory corruption microsoft office msrc office security office vulnerability patch deployment patch management phishing risk protected view security update guide threat hunting
    • Replies: 0
    • Forum: Security Alerts

  2. CVE-2025-54900: Excel Heap Overflow — Patch & Mitigations Guide

    Microsoft has published an advisory for CVE-2025-54900, a heap‑based buffer overflow in Microsoft Excel that can allow an attacker to execute code on a victim machine when a crafted spreadsheet is opened — an issue administrators and home users should treat as high priority for patching and...
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    • asr rules cve-2025-54900 defender application guard edr excel security excel vulnerability heap overflow local code execution microsoft advisory office security patch management patch rollout protected view server-side rendering threat intel
    • Replies: 0
    • Forum: Security Alerts

  3. CVE-2025-53804: Windows Kernel Driver Info Disclosure—What Admins Must Do

    Note: below is a long-form, technically focused feature article about CVE-2025-53804. I drew on Microsoft’s official entry for this CVE and on Microsoft documentation and guidance about kernel-mode drivers and driver blocklists to explain the risk, likely exploitation paths, detection and...
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    • asr rules cve-2025-53804 driver ioctl driver security endpoint security hvci incident response information disclosure kernel drivers kernel memory local driver exploit local privilege escalation memory integrity msrc patch management patch tuesday threat hunting vulnerable driver blocklist windows defender application control windows kernel
    • Replies: 0
    • Forum: Security Alerts

  4. CVE-2025-54906: Office Memory-Allocation RCE Risk and Mitigation Guide

    Microsoft has published an advisory for CVE-2025-54906, a Microsoft Office vulnerability described as a “free of memory not on the heap” condition that can lead to local remote‑code‑execution (RCE) when a user opens or previews a specially crafted Office document; Microsoft lists the...
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    • application guard asr rules cve-2025-54906 cvss defender for endpoint heap vs non-heap incident response memory corruption microsoft office msrc advisory office updates office vulnerability patch management patch tuesday phishing defense preview pane protected view rce threat hunting vulnerability news
    • Replies: 0
    • Forum: Security Alerts

  5. Understanding CVE-2025-54902: Excel out-of-bounds read may enable RCE; patch and defenses

    A newly disclosed Microsoft Excel vulnerability tracked as CVE-2025-54902 is an out‑of‑bounds read flaw in Excel’s file‑parsing logic that Microsoft warns could allow an attacker to achieve code execution on a targeted machine when a user opens a specially crafted spreadsheet, and organizations...
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    • applocker asr rules cve-2025-54902 edr endpoint security excel vulnerability incident response macro security microsoft advisory office security out-of-bounds read patch management phishing risk protected view rce risk remote code execution security patch siem threat detection vulnerability disclosure
    • Replies: 0
    • Forum: Security Alerts

  6. CVE-2025-53732: Microsoft Office Heap Overflow — RCE, Detection & Patching

    Below is a detailed Markdown article about CVE-2025-53732 (Microsoft Office — heap-based buffer overflow → remote code execution). It explains what the vulnerability is, how it can be abused, the likely impact, tactical detection and hunting guidance, step-by-step mitigation and patching...
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    • asr rules cve-2025-53732 defender hunting edr heap-based overflow incident response intune microsoft office msrc advisory office vulnerability patch management protected view rce remote code execution sccm threat hunting
    • Replies: 0
    • Forum: Security Alerts