Microsoft sounded the alarm on February 10, 2026, with an urgent patch for a zero-day vulnerability in Windows Shell, tracked as CVE-2026-21510. This high-severity flaw (CVSS score 8.8) is actively exploited in the wild, letting attackers dodge key defenses and run malicious code without warnings. Windows Shell, the core interface for file explorer, shortcuts, and […] The post Windows Shell Zero-Day Vulnerability Allows Attackers to Bypass Authentication appeared first on Cyber Security News.