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Windows 11 Bug Makes Lock Screen Password Icon Vanish After Update

Do Son December 1, 2025 2 minutes read
0
Windows Secure Lock Screen Clock Lag Windows 11 KB5079391 error Windows 11 Kernel Driver Trust Microslop Windows 11 Windows 11 modem driver removal 2026, CVE-2025-24052 Agere driver exploit Windows 11 Password Icon Bug Lock Screen Glitch Windows 11 26H1 ARM Snapdragon X2 Windows 11 Reboot-Free, Insider Build Windows Update Error, 0x80070103 File Explorer, NTLM leak Windows bug, WinRE Windows Update, UAC prompts Secure Boot Certificate, Windows Security Windows 11 22H2 Installation security updates Windows UEFI CA 2023 Windows 11 25H2
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Windows 11’s catalogue of oddities continues to grow: according to a newly published Microsoft support notice, installing the August 2025 preview update — or any cumulative update released thereafter — causes the password-login icon on the lock screen to simply vanish.

Under normal circumstances, if a user has set up a PIN, Windows displays the PIN option first. But if the user forgets the PIN, they can switch to password login by clicking the password icon that appears beside the PIN option.

The issue arises because this password icon disappears entirely. Visually, it appears as though PIN login is the only available method. Microsoft’s investigation found that the icon itself is missing, but the functionality behind it still exists — meaning users can still switch to password login by clicking the “empty” space where the icon should be.

While this quirk does not cause a critical failure, it has nonetheless proved troublesome. Many users, unable to locate the missing icon, resort to selecting the “Forgot PIN” flow and resetting their credentials using their password — an unnecessarily cumbersome and frustrating process.

Microsoft is currently investigating the root cause and plans to issue a fix in an upcoming release. Given the relatively simple nature of the bug, the company expects that the next cumulative update — likely arriving later this month — will restore the missing password-login icon.

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Written by
@DdoS · Security Researcher

Do Son

Do Son is the Founder and Editor of SecurityOnline.info. Working in cybersecurity since 2013, he reports on vulnerabilities, malware, and emerging threats, providing timely analysis to help organizations and individuals stay ahead of evolving risks.

Tags: KB5048924 Lock Screen Login Bug Microsoft Password Icon UX Windows 11 Windows Update

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