A security vulnerability was recently discovered in Microsoft Defender, the first-party Windows 11 antivirus tool used by ...
Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...
The exploit uses an insecure behavior of Windows Defender and a file API to secure system rights. It is still unpatched.
A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...
Microsoft updates Defender in Windows install media to block threats during setup and close early security gaps.
Critical154Important1Moderate0LowMicrosoft addresses 163 CVEs in the April 2026 Patch Tuesday release, including two zero-day ...
Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing ...
If Passive Mode is enabled, Microsoft Defender Antivirus scans files without taking action. It finds and reports malware and security threats to your security console, but it does not quarantine files ...
One of Defender’s bigger advantages is that it’s built directly into Windows. There’s nothing to install and nothing extra to ...
A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...