Google’s Threat Analysis Group found a bug in open-source software Zimbra Collaboration, which is used by over 5,000 companies across the globe. The bug, known as CVE-2023-37580, was exploited by four different groups who stole email data, user credentials and authentication tokens. Zimbra Collaboration users must keep their software updated and promptly apply security updates to stay protected.
MSHTML Zero-Day in Windows Exploited by APT28 Prior to Feb 2026 Security Update
Microsoft released its Patch Tuesday updates, addressing 59 vulnerabilities, including a critical zero-day flaw in the Windows MSHTML framework. Tracked as CVE-2026-21513, this actively exploited
