Cybersecuritynews Windows 11 January 2026 Update Causes Shutdown Issues
Article Content
Browse articles 
The January 13, 2026, security update for Windows 11 has caused some PCs to refuse to shut down or hibernate, instead restarting. This issue is linked to the update KB5073455, which affects OS Build 22621.6491 on Windows 11 version 23H2 and interferes with Secure Launch. The problem was first reported on January 15, 2026.
Ask AI about this cluster
Answers cite the sources they use
Updated 212d ago How this analysis works
More articles in this cluster (9)
Continue Reading
CVE-2015-3306 Exploited in ProFTPD FTP Servers CVE-2015-3306, a vulnerability in ProFTPD 1.3.5, allows remote attackers to read and write arbitrary files using the SITE CPFR and SITE CPTO commands. This exploit can lead to unauthorized access and potential remote code execution, as the commands are executed with the privileges of the ProFTPD service. Active… 
CISA Mandates Urgent Patching of Five Critical Flaws Exploited by Flax Typhoon The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to patch five critical vulnerabilities by October 11, 2026, following exploitation by the China-linked hacking group Flax Typhoon. The vulnerabilities, added to CISA's Known Exploited Vulnerabilities (KEV) catalog, include…