protected view

  1. MDAG for Office Retirement: Phase Timelines and Protected View

    Microsoft is removing Microsoft Defender Application Guard (MDAG) for Office from Microsoft 365 desktop apps, with the feature scheduled for phased removal beginning in early 2026 and complete removal by December 2027—documents that once opened inside a Hyper‑V backed, containerized Application...
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    • asr wdac copilot it administration mdag removal office security powerpoint protected view reuse slides
    • Replies: 1
    • Forum: Windows News

  2. 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 cve-2025-54910 defender for endpoint enterprise security heap overflow incident response kb numbers local code execution memory issues microsoft office msrc office security office vulnerabilities patch management phishing protected view security updates threat hunting
    • Replies: 0
    • Forum: Security Alerts

  3. 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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    • application guard asr cve-2025-54900 edr excel security excel vulnerability heap overflow local code execution microsoft advisory microsoft patch office security patch management patch rollout protected view server-side rendering threat intel
    • Replies: 0
    • Forum: Security Alerts

  4. CVE-2025-55243 Spoofing in Microsoft OfficePlus: Quick Mitigation Guide

    Microsoft’s Security Update Guide lists CVE-2025-55243 as a spoofing vulnerability in Microsoft OfficePlus that can lead to the exposure of sensitive information and enable an attacker to perform spoofing over a network, but key public mirrors and automated scrapers offer limited or inconsistent...
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    • asr cve-2025-55243 dkim dmarc email security incident response mitigation msrc network spoofing office security officeplus patch management phishing protected view security updates spf spoofing threat hunting vulnerability
    • Replies: 0
    • Forum: Security Alerts

  5. PowerPoint Use-After-Free Risks (2025): Verification Gaps, Mitigations, and Defender Playbook

    Microsoft’s advisory link for CVE-2025-54908 points to a PowerPoint use‑after‑free that “allows an unauthorized attacker to execute code locally,” but that specific CVE number could not be corroborated in public vulnerability trackers at the time of verification; when attempting to load the...
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    • 2025 advisories asr cve-2025-54908 edr exploit prevention malware prevention memory safety msrc nvd office security patch management phishing powerpoint protected view rce threat hunting use-after-free vulnerability verification windows security
    • Replies: 0
    • Forum: Security Alerts

  6. CVE-2025-54904: Excel Use-After-Free Could Allow Local Code Execution

    Microsoft's advisory confirms a use‑after‑free flaw in Microsoft Excel that can lead to local code execution when a specially crafted spreadsheet is opened, creating a potentially serious escalation path on unpatched systems. Overview This vulnerability, tracked as CVE‑2025‑54904, is listed in...
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    • applocker attack vector cve-2025-54904 cybersecurity edr excel excel vulnerability local code execution memory issues mitigation office online server office vulnerabilities patch management privilege protected view remediation security updates use-after-free vulnerability feeds
    • Replies: 0
    • Forum: Security Alerts

  7. Verifying CVE-2025-54905: Office/Word Untrusted Pointer Dereference & Mitigations

    Thanks — I can write the 2,000+ word feature article, but first a quick verification step. I tried to load the MSRC page you linked but the Security Update Guide is rendered dynamically and I couldn’t extract the advisory text from that URL. I also could not find a matching CVE-2025-54905 entry...
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    • cve cve-2025-54905 edr exploit prevention information disclosure local code execution macro microsoft office mitigation msrc nvd office patch guidance protected view security updates threat intelligence untrusted pointer dereference vulnerability word
    • Replies: 0
    • Forum: Security Alerts

  8. 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 cve-2025-54906 cvss defender for endpoint heap vs non-heap incident response memory issues microsoft office msrc advisory office updates office vulnerabilities patch patch management phishing preview pane protected view rce threat hunting vulnerability news
    • Replies: 0
    • Forum: Security Alerts

  9. 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 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
    • Replies: 0
    • Forum: Security Alerts

  10. 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 cve-2025-54902 edr endpoint security excel vulnerability incident response macro security microsoft advisory office security out-of-bounds read patch management phishing protected view rce vulnerability remote code execution security patch siem threat detection vulnerability disclosure
    • Replies: 0
    • Forum: Security Alerts

  11. 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
    • Replies: 0
    • Forum: Security Alerts

  12. CVE-2025-54898: Excel Out-of-Bounds Read Risk and Mitigations

    Microsoft’s security tracker lists CVE-2025-54898 as an out-of-bounds read vulnerability in Microsoft Excel that can be triggered by a crafted spreadsheet and may allow an attacker to achieve local code execution when a user opens a malicious file. Background Microsoft Excel remains one of the...
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    • asr mitigations cve-2025-54898 document security edr detection enterprise security excel parsing excel vulnerability execution home user guidance memory safety office security out-of-bounds read patch management phishing protected view security updates threat intelligence vulnerability windows update
    • Replies: 0
    • Forum: Security Alerts

  13. CVE-2025-54896: Excel Use-After-Free RCE — Patch Now

    Microsoft has published an advisory for CVE-2025-54896: a use-after-free vulnerability in Microsoft Office Excel that, when exploited via a specially crafted workbook, can lead to code execution in the context of the user who opens the file. This class of bug is a recurring and high-consequence...
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    • asr cve-2025-54896 edr endpoint security excel excel-uaf extended security updates macro microsoft office microsoft update catalog msrc patch management protected view rce threat hunting uaf use-after-free vulnerability workbook parsing
    • Replies: 0
    • Forum: Security Alerts

  14. Word CVE-2025-53784 Use-After-Free: Local RCE in Documents

    A newly disclosed memory-corruption flaw in Microsoft Word—tracked as CVE-2025-53784—has been classified as a use-after-free vulnerability that can allow an attacker to execute code locally when a victim opens or previews a specially crafted document. Microsoft’s Security Update Guide lists this...
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    • attack surface reduction cve-2025-53784 document parsing edr enterprise security incident response local rce malware memory issues microsoft 365 office security patch management phishing protected view sandbox security security updates threat hunting use-after-free word
    • Replies: 0
    • Forum: Security Alerts

  15. CVE-2025-53740: Office Use-After-Free RCE — Urgent Patch & Defenses

    CVE-2025-53740 — Microsoft Office “use‑after‑free” (local code execution) An in‑depth feature for security teams, admins and threat hunters Summary (tl;dr) CVE-2025-53740 is reported by Microsoft as a use‑after‑free (CWE‑416) memory‑corruption flaw in Microsoft Office that can allow an attacker...
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    • asr cve-2025-53740 defender for endpoint edr exploit prevention incident response memory issues microsoft office office security patch management phishing phishing attachments protected view rce sandbox siem threat actors threat hunting threat intelligence use-after-free
    • Replies: 0
    • Forum: Security Alerts

  16. CVE-2025-53739: Excel Type-Confusion RCE — Mitigation and Patch Guide

    Microsoft’s Security Response Center has published an advisory listing CVE-2025-53739 — an Excel vulnerability described as “Access of resource using incompatible type (‘type confusion’)” that can lead to code execution when a crafted spreadsheet is processed by the desktop client. Background /...
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    • asr cve-2025-53739 edr endpoint security excel macro policy memory safety office security patch management protected view rce security updates threat hunting type confusion vulnerability advisory
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    • Forum: Security Alerts

  17. CVE-2025-53734: Visio Use-After-Free RCE - Patch Now to Prevent Exploitation

    Microsoft has confirmed a use‑after‑free vulnerability in Microsoft Office Visio — tracked as CVE‑2025‑53734 — that can be triggered when a user opens a specially crafted Visio file and may allow an attacker to execute code in the context of the current user; Microsoft’s advisory entry is live...
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    • attack surface cve-2025-53734 edr endpoint security malicious visio files microsoft office microsoft update catalog office security patch management phishing protected view rce remote code execution sccm security updates threat detection use-after-free visio windows security wsus
    • Replies: 0
    • Forum: Security Alerts

  18. CVE-2025-53736: Word Buffer Over-Read Information Disclosure—Patch Now

    Microsoft’s Security Update Guide lists CVE-2025-53736 as a Microsoft Word information-disclosure vulnerability caused by a buffer over-read in Word that can allow an unauthorized local actor to read memory and disclose sensitive information on a victim machine; administrators are strongly...
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    • asr buffer over-read cve-2025-53736 edr information disclosure intune memory safety microsoft word msrc office security patch patch management preview pane protected view sccm threat detection vulnerability management wdac word vulnerability
    • Replies: 0
    • Forum: Security Alerts

  19. 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...
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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
    • Replies: 0
    • Forum: Security Alerts

  20. CVE-2025-53733: Word RCE via Numeric Type Conversion

    Headline: CVE-2025-53733 — What you need to know about the new Microsoft Word RCE caused by incorrect numeric conversions Lede: Microsoft has published advisory CVE-2025-53733 for a remote‑code‑execution class bug in Microsoft Office Word described as an “incorrect conversion between numeric...
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    • application guard asr attack surface reduction cve-2025-53733 cwe-681 defender for endpoint edr incident response incorrect conversion memory issues microsoft word msrc numeric conversion office security patch management phishing protected view rce threat hunting threat intelligence
    • Replies: 0
    • Forum: Security Alerts