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In a move to tighten defenses against credential theft, Microsoft has rolled out a significant change to Windows File Explorer starting with security updates released on and after October 14, 2025. The update automatically disables the preview pane for files downloaded from the internet, aiming to block a sneaky vulnerability that could expose users’ NTLM […] The post Microsoft Enhances Windows Security by Turning Off File Previews for Downloads appeared first on Cyber Security News.
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Microsoft has acknowledged a significant authentication problem affecting users of recent Windows versions, stemming from security enhancements in updates released since late August 2025. The company detailed how these updates are triggering Kerberos and NTLM failures on devices sharing identical Security Identifiers (SIDs), leading to widespread login disruptions across enterprise networks. This issue, now officially […] The post Microsoft Confirms Recent Updates Cause Login Issues on Windows 11 24H2, 25H2, and Windows Server 2025 appeared first on Cyber Security News.
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A critical security vulnerability in Microsoft Windows Cloud Minifilter has been patched, addressing a race condition that allowed attackers to escalate privileges and create files anywhere on the system. The vulnerability, tracked as CVE-2025-55680, w…
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A Reddit poster detailed how reinstalling Windows 11 unexpectedly encrypted two of their backup drives with BitLocker, locking away 3TB of irreplaceable data without any prior setup. The incident, shared onReddit, highlights the risks of Microsoft’s automatic encryption feature in Windows 11, which can activate silently during routine maintenance like OS reinstalls. The user, running […] The post Automatic BitLocker Encryption May Silently Lock Away Your Data appeared first on Cyber Security News.
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Security researchers are tracking a high-severity malware campaign that uses weaponized PDF files to distribute the Winos 4.0 malware. The threat actors impersonate government departments to trick users into opening malicious documents that infect Micr…
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Microsoft’s latest cumulative update for Windows 11, KB5066835, is causing significant disruptions for users, most notably by rendering USB keyboards and mice useless within the Windows Recovery Environment (WinRE). The patch, released on October 14, 2…
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Microsoft’s latest security update has rendered USB keyboards and mice inoperable within the Windows Recovery Environment (WinRE). Released on October 14, 2025, as KB5066835 for OS Build 26100.6899, the patch affects Windows 11 versions 24H2 and 25H2, as well as Windows Server 2025. The glitch emerged shortly after installation, leaving users unable to navigate recovery […] The post Windows 11 24H2/25H2 Update Blocks Mouse and Keyboard in Recovery Mode appeared first on Cyber Security News.
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Microsoft’s October 2025 Windows 11 update has introduced an unexpected connectivity issue affecting developers and IT professionals worldwide. The security patch KB5066835, released on October 14, 2025, for OS Builds 26200.6899 and 26100.6899, h…
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Microsoft’s October 2025 cumulative update for Windows 11 has disrupted localhost functionality, preventing developers and users from accessing local web applications and services via 127.0.0.1. The issue, tied to update KB5066835 released on October 14, affects builds like 26100.6899 and has sparked widespread complaints on forums, including Microsoft’s support pages, Stack Overflow, and Server Fault. […] The post Microsoft Windows 11 October Update Breaks Localhost (127.0.0.1) Connections appeared first on Cyber Security News.
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A vulnerability in Microsoft’s newly implemented Rust-based kernel component for the Graphics Device Interface (GDI) in Windows. This flaw, which could trigger a system-wide crash via a Blue Screen of Death (BSOD), highlights the challenges of integrating memory-safe languages into critical OS components. Although Microsoft classified it as moderate severity, the issue underscores potential risks […] The post Windows Rust-based Kernel GDI Vulnerability Leads to Crash and Blue Screen of Death Error appeared first on Cyber Security News.
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