Hackers are actively exploiting three unpatched Windows Defender vulnerabilities that were recently disclosed by a security researcher. The flaws are being used in real-world attacks against organizations, posing significant security risks. This highlights the critical window between vulnerability disclosure and patch deployment.
Background
Windows Defender is Microsoft's built-in antivirus and security solution included with Windows operating systems. Security researchers frequently discover and disclose vulnerabilities, but when patches aren't applied promptly, these become targets for malicious actors.
- Source
- TechCrunch
- Published
- Apr 18, 2026 at 01:48 AM
- Score
- 8.0 / 10