symbolic link exploit

About this tag
The symbolic link exploit tag on WindowsForum.com covers security vulnerabilities in Windows that involve improper link resolution before file access, commonly known as link following or symbolic link exploits. Recent discussions focus on CVE-2025-48820 in the Windows AppX Deployment Service, CVE-2025-29837 in Windows Installer, and CVE-2025-21204 related to the unexpected appearance of the inetpub folder after Windows updates. These threads explore how symbolic link exploits can lead to elevation of privilege or information disclosure, and provide mitigation strategies for IT professionals and security teams. The content emphasizes the importance of understanding these flaws in Windows 10 and 11 environments.

  1. Critical Security Alert: CVE-2025-48820 Vulnerability in Windows AppX Deployment Service

    The Windows AppX Deployment Service, integral to the installation and management of Universal Windows Platform (UWP) applications, has been identified with a critical security vulnerability, designated as CVE-2025-48820. This flaw allows authenticated attackers to elevate their privileges on...
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    • appx deployment service cve-2025-48820 cybersecurity extended security updates malicious software microsoft security network security patch management privilege escalation security security best practices security patch security risks symbolic link exploit system protection uwp apps vulnerability vulnerability management windows security
    • Replies: 0
    • Forum: Security Alerts

  2. CVE-2025-29837 Windows Installer Vulnerability: What IT Professionals Must Know

    The recent disclosure of CVE-2025-29837, a Windows Installer information disclosure vulnerability categorized under 'improper link resolution before file access' (also known as 'link following'), brings renewed scrutiny to the mechanisms governing resource management and security within the...
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    • advanced threats cve-2025-29837 endpoint security file security information disclosure it infrastructure security malware prevention patch management privilege escalation security best practices security community security updates symbolic link exploit symlink exploits system hardening temporary directory security vulnerability windows installation windows security windows vulnerabilities
    • Replies: 0
    • Forum: Security Alerts

  3. Understanding the 'inetpub' Folder and CVE-2025-21204 Mitigation in Windows Update

    Microsoft’s recent April 2025 patch cycle for Windows 10 and Windows 11 has sparked a wave of both intrigue and concern across the IT community due to the unexpected appearance of the “inetpub” folder on users’ system drives, usually the C: drive. This folder, historically associated with...
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    • administrator cve-2025-21204 endpoint security file security inetpub folder it administration junction exploit junction points microsoft patch privilege escalation security security best practices security mitigation security research symbolic link exploit symbollink attack symlink exploits system administration system integrity update vulnerabilities vulnerability windows 10 windows 11 windows filesystem windows patch cycle windows security windows update windows vulnerabilities
    • Replies: 1
    • Forum: Windows News

  4. Windows 11 'inetpub' Folder Security Flaw: Protect Your System Now

    Here is a summary of the original Petri article on the Windows 11 'inetpub' folder security risk: What happened? After the April 2025 Patch Tuesday update, a new "inetpub" folder started appearing on Windows 10 and 11 machines. Microsoft created this folder to help patch a bug (CVE-2025-21204)...
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    • administrative permission cve-2025-21204 cyberattack prevention cybersecurity cybersecurity best practices directory junctions endpoint security extended security updates file security folder permissions iis inetpub folder insider threats it admin tips itprotection junction points local exploit malware malware risks microsoft microsoft april 2025 update microsoft patch microsoft security os security patch management permission hardening permissions security security alert security mitigation security patch security researcher security updates security workaround symbolic link exploit symbolic links symlink exploits symlinks sysadmin tips system administration system integrity system protection system update bypass update management vulnerability windows 10 windows 11 windows defender windows security windows servicing windows system folder windows system risks windows update windows update risks windows vulnerabilities
    • Replies: 5
    • Forum: Windows News

  5. Windows 11 Update KB5055523: Unexplained inetpub Folder Emerges

    Windows 11 continues to surprise its users. The latest April 2025 cumulative update—KB5055523—has introduced an unexpected twist: the creation of an empty "inetpub" folder in the root of the C: drive, even on systems where Internet Information Services (IIS) is not installed. While the folder’s...
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    • 24h2 update administration automatic updates best practices business strategy community community reaction computer safety configuration requirements cumulative update cve vulnerabilities cve-2025-21204 cybersecurity data security developer tools digital safety digital security directory junctions enterprise security extended security updates file management folder permissions folder restoration folders iis iis folder inetpub inetpub folder internet information services it admin guide it administration it management it professionals it tips junction points kb5055523 local privilege exploit local threats local user exploits maintenance malicious actors malware prevention microsoft microsoft patch microsoft security ntfs permissions operating system optimization patch patch management permission lockdown permissions privilege escalation protected folders remote exploits security security best practices security bypass security enhancements security hardening security mitigation security patch security tips security updates software anomaly software security software update symbolic link exploit symbolic links symlink exploits sysadmin tips system administration system files system hardening system integrity system protection system stability system update tech community tech support tech updates technical analysis troubleshooting update update best practices update documentation update issues update kb5055523 user awareness user communication user concerns user experience user guide vulnerability web server windows 10 windows 11 windows customization windows exploit protection windows features windows folder windows folder structure windows quirks windows security windows servicing windows system folder windows tips windows troubleshooting windows update windows update policy windows update risks windows updates 2025 windows vulnerabilities
    • Replies: 24
    • Forum: Windows News