Microsoft October Windows updates trigger BitLocker recovery

Microsoft's October 2023 Windows updates have caused unexpected BitLocker recovery prompts for many users. This issue arises after applying the latest security patches, leading to encrypted drives requiring recovery keys upon reboot. The problem primarily affects devices with BitLocker enabled, disrupting normal startup and access to data. Microsoft has acknowledged the issue and is investigating a fix to prevent these recovery prompts. Users are advised to back up their BitLocker recovery keys and proceed cautiously with updates. This incident highlights the critical balance between security patching and system stability, emphasizing the need for thorough testing before deployment. Organizations should prepare for potential disruptions and ensure recovery procedures are in place to mitigate data access issues. Staying informed on update impacts and vendor advisories remains essential for maintaining cybersecurity resilience.

This Cyber News was published on www.bleepingcomputer.com. Publication date: Wed, 05 Nov 2025 09:00:21 +0000


Cyber News related to Microsoft October Windows updates trigger BitLocker recovery

Microsoft confirms May Windows 10 updates trigger BitLocker recovery - Microsoft's acknowledgment of this issue comes after many Windows users and admins have reported seeing devices unexpectedly enter the Windows Recovery Environment (WinRE) and displaying a BitLocker recovery screen after installing the KB5058379 ...
7 months ago Bleepingcomputer.com
Newly discovered ransomware uses BitLocker to encrypt victim data - A previously unknown piece of ransomware, dubbed ShrinkLocker, encrypts victim data using the BitLocker feature built into the Windows operating system. BitLocker is a full-volume encryptor that debuted in 2007 with the release of Windows Vista. ...
1 year ago Arstechnica.com
What Is ShrinkLocker? New Ransomware Targets Microsoft BitLocker Encryption Feature - A new strain of ransomware dubbed ShrinkLocker is being used by cyberattackers to target enterprise computers. It exploits the Microsoft BitLocker encryption feature to encrypt the entire local drive and remove the recovery options before shutting ...
1 year ago Techrepublic.com
Windows 10 KB5058379 update triggering BitLocker Recovery after install - "I would like to inform you that we are currently experiencing a known issue with the May Month Patch KB5058379, titled "BitLocker Recovery Triggered on Windows 10 devices after installing KB5058379" on Windows 10 machines," an impacted ...
7 months ago Bleepingcomputer.com
Windows 10 Extended Security Updates Promised for Small Businesses and Home Users - Already common for enterprises, for the first time, individuals will also get the option to pay for extended security updates for a Windows operating system that's out of support. Windows 10 will stop getting free updates, including security fixes, ...
2 years ago Techrepublic.com
Business Data Backup and Recovery Planning - Data backup and recovery planning is essential in today's interconnected and data-driven business landscape. By understanding the significance of data backup and recovery planning, businesses can effectively protect their critical information and ...
1 year ago Securityzap.com
Microsoft October Windows updates trigger BitLocker recovery - Microsoft's October 2023 Windows updates have caused unexpected BitLocker recovery prompts for many users. This issue arises after applying the latest security patches, leading to encrypted drives requiring recovery keys upon reboot. The problem ...
1 month ago Bleepingcomputer.com
Microsoft working on a fix for Windows 10 0x80070643 errors - Microsoft is working to fix a known issue causing 0x80070643 errors when installing the KB5034441 security update that patches the CVE-2024-20666 BitLocker vulnerability. While the security issue was resolved during this month's Patch Tuesday, ...
1 year ago Bleepingcomputer.com CVE-2024-20666
Microsoft extends Windows Server 2012 ESUs to October 2026 - Microsoft provides three more years of Windows Server 2012 Extended Security Updates until October 2026, giving administrators more time to upgrade or migrate to Azure. The company also prolonged the end date for Windows Server 2012 and extended ...
2 years ago Bleepingcomputer.com
Microsoft shares script to update Windows 10 WinRE with BitLocker fixes - Microsoft has released a PowerShell script to automate updating the Windows Recovery Environment partition in order to fix CVE-2024-20666, a vulnerability that allowed for BitLocker encryption bypass. This security issue was resolved in the KB5034441 ...
1 year ago Bleepingcomputer.com CVE-2024-20666
Microsoft Incident Response lessons on preventing cloud identity compromise - Microsoft Incident Response is often engaged in cases where organizations have lost control of their Microsoft Entra ID tenant, due to a combination of misconfiguration, administrative oversight, exclusions to security policies, or insufficient ...
2 years ago Microsoft.com
Windows 10 KB5058379 Update Boots PCs into Windows Recovery & Require BitLocker key - “I would like to inform you that we are currently experiencing a known issue with the May Month Patch KB5058379, titled ‘BitLocker Recovery Triggered on Windows 10 devices after installing KB5058379′ on Windows 10 machines,” a ...
7 months ago Cybersecuritynews.com
Microsoft Reminds of Windows 10 To Reach End of Support - Whether upgrading to Windows 11, purchasing new hardware, or investing in Extended Security Updates, the message from Microsoft is clear: the time to prepare for Windows 10’s end of support is now. Microsoft has announced that Microsoft 365 ...
7 months ago Cybersecuritynews.com
Microsoft to let Windows 10 home users buy Extended Security Updates - Microsoft says that all Windows 10 customers will be able to pay for three extra years of security updates through the company's Extended Security Updates program after the end of support date. After Windows 10 reaches the end of support on October ...
2 years ago Bleepingcomputer.com
Microsoft to let Windows 10 home users buy Extended Security Updates - Microsoft says that all Windows 10 customers will be able to pay for three extra years of security updates through the company's Extended Security Updates program after the end of support date. After Windows 10 reaches the end of support on October ...
2 years ago Bleepingcomputer.com
Windows 10 KB5034441 security update fails with 0x80070643 errors - Windows 10 users worldwide report problems installing Microsoft's January Patch Tuesday updates, getting 0x80070643 errors when attempting to install the KB5034441 security update for BitLocker. Windows 10 creates a recovery partition, usually around ...
1 year ago Bleepingcomputer.com
BitLocker Encryption Bypassed in Minutes Using Bitpixie Vulnerability - A public proof-of-concept (PoC) exploit has now been released, highlighting the severity of the risk to millions of Windows devices relying on BitLocker without pre-boot authentication. A critical vulnerability in Microsoft’s BitLocker full disk ...
7 months ago Cybersecuritynews.com CVE-2023-21563
Microsoft fixes VPN failures caused by April Windows updates - The list of impacted Windows versions includes Windows 11, Windows 10, and Windows Server 2008 and later. Since Redmond includes all security fixes in a single update, uninstalling the April updates will also remove all fixes for patched security ...
1 year ago Bleepingcomputer.com
Why you might not be done with your January Microsoft security patches - The January patching window for your firm has probably come and gone. Has it? While January included a huge release of patches, several releases in other months have provided more than one headache for the patch management community. These are the ...
2 years ago Csoonline.com CVE-2022-41099 CVE-2022-37966
Microsoft says Windows 10 21H2 support is ending in June - Microsoft announced today that it would end support for Windows 10 21H2 in June when the Enterprise and Education editions reach the end of service. Once the end-of-service date is reached, systems running Windows 10 21H2 will no longer receive ...
1 year ago Bleepingcomputer.com
Automatic BitLocker Encryption: Enhancing Data Protection on Windows Devices - Automatic BitLocker encryption is a crucial security feature in Windows operating systems designed to protect data by encrypting entire drives automatically. This article explores how enabling BitLocker encryption can safeguard sensitive information ...
2 months ago Cybersecuritynews.com
Microsoft tests new Windows 11 tool to remotely fix boot crashes - Microsoft has begun testing a new Windows 11 tool called Quick Machine Recovery, which is designed to remotely deploy fixes for buggy drivers and configurations that prevent the operating system from starting. When enabled and a new driver or ...
8 months ago Bleepingcomputer.com
Microsoft: Office 2016 and Office 2019 reach end of support in October - You can also switch to Office 2024, a standalone Office version released in October 2024 for small businesses and consumers without a Microsoft 365 subscription. This version includes locked-in-time versions of Word, Excel, PowerPoint, ...
8 months ago Bleepingcomputer.com