SecurityXDAabout 1 hour ago
Microsoft breaks custom folder icons to fix 2003 bug
1 min read
Microsoft's June 2026 security update stops Windows from honoring untrusted desktop.ini files, breaking custom folder icons. The change closes a 23-year-old Explorer vulnerability first identified as MS03-027 in 2003. Custom icons still work from trusted sources or by manually setting icon files and unblocking them.
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