macro security

  1. 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
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    • Forum: Security Alerts

  2. CVE-2025-53759: Excel Uninitialized Resource RCE - Plain-English Guide & Defenses

    Note: I checked the Microsoft Security Response Center (MSRC) entry you linked and reviewed public vulnerability feeds while preparing this article. The MSRC page for CVE-2025-53759 is the primary source for the vulnerability statement; I also cross‑checked public advisories and CISA summaries...
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    • asr cisa cve-2025-53759 edr excel excel vulnerability macro security memory issues msrc office security patch management protected view rce soc monitoring uninitialized resource wdac
    • Replies: 0
    • Forum: Security Alerts

  3. Microsoft Office Vulnerability CVE-2025-49702: Protect Your System from Critical Type Confusion Flaw

    Microsoft Office has recently been identified as vulnerable to a critical security flaw, designated as CVE-2025-49702. This vulnerability arises from a type confusion error, where the software accesses resources using incompatible types, potentially allowing unauthorized attackers to execute...
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    • application guard cve-2025-49702 cyber threats cybersecurity endpoint security incident response macro security malicious files microsoft office network security phishing protected view security awareness security best practices security updates software security type confusion vulnerability
    • Replies: 0
    • Forum: Security Alerts

  4. Critical CVE-2025-49698 Microsoft Word Vulnerability: How to Protect Your System

    A critical security vulnerability, identified as CVE-2025-49698, has been discovered in Microsoft Word, posing significant risks to users worldwide. This flaw, classified as a "use-after-free" vulnerability, allows unauthorized attackers to execute arbitrary code on affected systems, potentially...
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    • anti-malware solutions application whitelisting cve-2025-49698 cyber threat detection cybersecurity data breach incident response macro security malware prevention microsoft security microsoft word security network security protected view security best practices security patch software update system protection threat mitigation use-after-free vulnerability
    • Replies: 0
    • Forum: Security Alerts

  5. Microsoft Office CVE-2025-49695 Vulnerability: Risks, Mitigation, and Security Tips

    The Microsoft Office Remote Code Execution Vulnerability, identified as CVE-2025-49695, has raised significant concerns within the cybersecurity community. This vulnerability stems from a "use after free" error in Microsoft Office, potentially allowing unauthorized attackers to execute arbitrary...
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    • attack surface reduction cve-2025-49695 cyber threats cybersecurity defender for endpoint exploit prevention macro security malicious files microsoft office microsoft patch phishing protected view security security tips software update use-after-free user training vulnerability
    • Replies: 0
    • Forum: Security Alerts

  6. CVE-2025-49756: Critical Cryptographic Vulnerability in Microsoft Office Exploits Trust

    The revelation of CVE-2025-49756 has sent ripples through both the security and developer communities invested in the Microsoft Office ecosystem. Identified as a "Security Feature Bypass Vulnerability" within the Office Developer Platform, this flaw leverages the use of a risky or fundamentally...
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    • add-in security cryptographic weaknesses cve-2025-49756 cybersecurity data integrity developer platform digital signature enterprise security extended security updates macro security microsoft office patch management security best practices security bypass security patch threat mitigation vulnerability
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    • Forum: Security Alerts

  7. Preparing for Office 2025 EOL: Mitigating Macro Security Risks in Your Organization

    As the October 2025 end-of-life date for Microsoft Office 2016 and 2019 approaches, organizations are facing critical decisions regarding their IT infrastructure. Beyond the immediate concerns of software obsolescence, this transition period brings to light significant security vulnerabilities...
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    • cyber threats cybersecurity data security end of life macro security malicious macros microsoft 365 microsoft office office 2016 office 2019 office 2025 phishing security security policies security updates software support threat mitigation user awareness vba
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    • Forum: Windows News

  8. CVE-2025-30379 Explained: Microsoft Excel RCE Vulnerability & How to Protect Your System

    In the evolving landscape of cybersecurity threats facing users of core productivity applications, Microsoft Excel’s newly disclosed CVE-2025-30379 stands out as a particularly concerning remote code execution (RCE) vulnerability. This flaw highlights both the persistent risks endemic to complex...
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    • cve-2025-30379 cyber threats cybersecurity endpoint security excel excel security macro security malware microsoft office network security patch management phishing rce vulnerability remote code execution security security best practices threat mitigation vulnerability vulnerability management zero trust
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    • Forum: Security Alerts

  9. CVE-2025-30376: Critical Microsoft Excel Buffer Overflow Vulnerability Explained

    Microsoft Excel, widely recognized as the cornerstone of spreadsheet productivity, remains integral to business, education, and data analysis across the globe. Its versatility, however, also makes it a prime target for malicious actors intent on exploiting vulnerabilities within such a...
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    • buffer overflow cve-2025-30376 cyber defense cyber threats cybersecurity data security endpoint security excel exploit prevention heap overflow macro security microsoft security patch management phishing remote code execution security security patch software security vulnerability
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    • Forum: Security Alerts

  10. Understanding CVE-2025-29977: The New Excel Remote Code Execution Vulnerability and How to Protect Your Systems

    Microsoft Excel, an indispensable staple within the Office productivity suite, has faced intricate security threats over the years. Recently, the disclosure and analysis of CVE-2025-29977 — a remote code execution (RCE) vulnerability hinging on a "use after free" memory flaw — has reignited...
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    • attack vector cve-2025-29977 cyber threats cyberattack prevention cybersecurity enterprise security excel macro security malware memory issues microsoft office office security patch management remote code execution security best practices security updates threat mitigation use-after-free vulnerability
    • Replies: 0
    • Forum: Security Alerts

  11. Microsoft Disables ActiveX by Default in Office 2024: Enhancing Security and Phasing Out Legacy Tech

    Microsoft Disables ActiveX by Default in Microsoft 365 and Office 2024: The End of a Risky Era Microsoft is pulling a decisive security lever by disabling ActiveX controls by default in Windows versions of Microsoft 365 and Office 2024 applications. This change, rolling out imminently, aims to...
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    • activex controls activex vulnerabilities cyber defense cyber threats cybersecurity digital security document security enterprise security it administration legacy systems macro security malware prevention microsoft 365 microsoft office office 2024 office add-ins office compatibility office document security office security office updates productivity security security best practices security features web technologies windows security windows update workflow zero trust architecture
    • Replies: 1
    • Forum: Windows News

  12. Extending the Microsoft Office Bounty Program

    Microsoft announces the extension of the Microsoft Office Bounty Program through December 31, 2017. This extension is retroactive for any cases submitted during the interim. The engagement we have had with the security community has been great and we are looking to continue that collaboration...
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    • Forum: Security Alerts