Windows 11 Security
The latest Windows 11 Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
From Idle Spikes to BSODs: 8 Critical Windows 11 Warning Signs You Should Heed Immediately
A sluggish PC is one thing. A PC that spikes to 100% CPU while idle, overheats without warning, or blue-screens so often you’ve memorized the stop code is another thing entirely. Windows 11 users...
Sysmon Native in Windows 11: Full Forensic Timeline Logging Arrives 2026
Microsoft is embedding Sysmon, the powerful system monitoring tool previously available only as a Sysinternals download, directly into Windows 11. The change will arrive as an optional feature in a...
Windows 11 June 2026 Patch Tuesday: Secure Boot Fix & New NPU Tools
Microsoft will release its June 2026 Patch Tuesday updates for Windows 11 on June 9, 2026, delivering mandatory security patches alongside a suite of user-facing enhancements. This month’s...
Dell Pro 5 Wired Fingerprint ESS Mouse MS526C Launches at $44.99 for Secure Windows Hello Desktop Access
Dell has quietly launched the Dell Pro 5 Wired Fingerprint ESS Mouse (MS526C), a $44.99 USB peripheral that integrates a fingerprint reader compliant with Microsoft’s stringent Windows Hello...
Microsoft Defender Hits Perfect 100% in AV-Test, Sparking Third-Party Antivirus Debate
Microsoft Defender scored a perfect 100% protection rate in the latest AV-Test evaluations for Windows 10 and 11, marking the fifth consecutive certification with top marks. That single statistic has...
Microsoft Patches Click Or Trick Sandbox Escape That Chains COM Toast to Teams Debug Port
Microsoft has rolled out an emergency fix for a critical Windows 11 sandbox escape vulnerability that could allow an attacker to break out of an isolated execution environment and gain full control...
Defender labeled "best antivirus for 2026" in now-deleted Microsoft Learning Center post
Microsoft quietly removed a controversial Windows Learning Center article that declared Windows Defender the best antivirus for 2026, reigniting the long-standing debate over whether built-in...
TPM 2.0: Windows 11's Hardware Root of Trust Blocks Over 240 Million PCs.
Windows 11’s insistence on TPM 2.0 shattered millions of upgrade plans in 2021. PCs that ran Windows 10 flawlessly were suddenly declared obsolete. The backlash was immediate and loud: angry forum...
MiniPlasma Windows 11 Exploit Achieves SYSTEM Access via Cloud Files Driver Flaw
A public Windows 11 proof-of-concept exploit that hooks into the Cloud Files Mini Filter Driver was released on May 17, 2026 by a researcher operating under the handles Chaotic Eclipse and...
Secure Boot Certificate Upgrade: 2011 Keys Expire 2026—Act Now
Every Windows PC that relies on Secure Boot faces a hard deadline in the summer of 2026. On July 1, 2026, the root certificate that has authenticated the Windows boot process since the days of...
Microsoft confirms YellowKey BitLocker bypass in WinRE, urges patch
Microsoft has formally acknowledged a critical BitLocker bypass vulnerability in Windows 11, tracked as CVE-2026-45585, after security researcher Nightmare-Eclipse released a full proof-of-concept...
Microsoft Patches 'YellowKey' BitLocker Bypass: WinRE Attack Extracts Encryption Keys
Microsoft confirmed a new physical attack vector against BitLocker-encrypted drives on May 20, 2026, assigning it CVE-2026-45585 and urging immediate mitigation. Dubbed “YellowKey,” the bypass...