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junction hijacking
About this tag
Junction hijacking is a security technique discussed in the context of Windows 11 updates. The April 2025 Patch Tuesday update KB5055523 creates an inetpub folder on the system drive as a mitigation against junction hijacking attacks. This folder, normally associated with IIS, is deployed on all systems to prevent malicious actors from exploiting directory junctions to escalate privileges or redirect file operations. The update addresses a vulnerability where an empty inetpub folder could be hijacked via a junction point, leading to potential security risks. IT professionals and users should be aware of this change and its role in protecting against junction hijacking exploits.
Microsoft's recent April 2025 Patch Tuesday update for Windows 11—specifically update KB5055523—introduced an unexpected yet purposeful change that has stirred curiosity and concern among users and IT professionals alike: the mysterious creation of an empty folder named inetpub on the system...
administrator tips
april 2025 update
computer safety
cve-2025-21204
cybersecurity
denial of service
directory junctions
endpoint security
extended security updates
file security
firewall
folder creation
folder permissions
iis
inetpub
inetpub folder
injury on patch
junctionhijackingjunction points
kb5055523
maintenance
malware prevention
microsoft patch
microsoft security
os patching
os security
patch
privilege escalation
security
security best practices
security mitigation
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security research
security risks
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symbolic links
symlink exploits
system administration
system files
system integrity
system protection
update issues
update management
vulnerability
windows
windows 11
windows filesystem
windows folder
windows management
windows security
windows update
windows vulnerabilities