Hackers Exploit Zimbra Vulnerability as 0-Day with Weaponized iCalendar Files

Hackers Exploit Zimbra Vulnerability as 0-Day with Weaponized iCalendar Files

A zero-day vulnerability in the Zimbra Collaboration Suite (ZCS), identified as CVE-2025-27915, has been exploited in targeted attacks using weaponized iCalendar files. This stored cross-site scripting (XSS) flaw allows attackers to steal sensitive data from victims' email accounts.
Oct 6, 2025 CVE: CVE-2025-27915
High-Severity VMware Vulnerability Exploited as Zero-Day

High-Severity VMware Vulnerability Exploited as Zero-Day

A newly patched VMware vulnerability, tracked as CVE-2025-41244, has been exploited as a zero-day for code execution with elevated privileges. The flaw affects VMware Aria Operations and VMware Tools, allowing attackers to escalate privileges to root on managed VMs.
Oct 6, 2025 CVE: CVE-2025-41244
Hackers Exploit Zimbra Flaw as Zero-Day Using iCalendar Files

Hackers Exploit Zimbra Flaw as Zero-Day Using iCalendar Files

A zero-day vulnerability in Zimbra Collaboration Suite (ZCS) has been exploited by hackers using malicious iCalendar files. The flaw, identified as CVE-2025-27915, allows attackers to execute arbitrary JavaScript and steal sensitive data from Zimbra Webmail.
Oct 6, 2025 CVE: CVE-2025-27915
Researchers Warn AI Can Design Zero-Day Biology Threats With Deadly Toxins

Researchers Warn AI Can Design Zero-Day Biology Threats With Deadly Toxins

A new study by Microsoft researchers reveals that generative AI can design genetic sequences capable of producing dangerous toxins, highlighting potential biosecurity risks. The findings suggest that existing safeguards in biotech companies may be insufficient to prevent such threats.
Oct 6, 2025