Microsoft released patches for CVE-2026-21509, a new Office zero-day vulnerability that can be exploited to bypass security features.
Microsoft has released emergency security updates to patch a high-severity Office zero-day vulnerability exploited in attacks ...
Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026-21509, a security feature bypass flaw.
The Register on MSN
Office zero-day exploited in the wild forces Microsoft OOB patch
Another actively abused Office bug, another emergency patch – Office 2016 and 2019 users are left with registry tweaks instead of fixes. Microsoft has issued an emergency Office patch after confirming ...
Microsoft releases an urgent out-of-band update for a critical Office zero-day flaw already exploited in real-world attacks.
Hackers collect $439,250 after exploiting 29 zero-day vulnerabilities on the second day of Pwn2Own Automotive 2026.
Zero-day attacks have become a significant concern in the realm of cybersecurity, posing a formidable challenge to individuals and organizations alike. These attacks exploit vulnerabilities that are ...
VulnCheck analysts found that vulnerabilities exploited before being publicly disclosed rose from 23.6% in 2024 to 28.96% in 2025 ...
AIs can create complex zero-day exploits. The consequence: The search for security vulnerabilities is successfully industrialized and scaled.
Cisco fixes actively exploited CVE-2026-20045 zero-day enabling unauthenticated RCE in Unified CM and Webex; CISA sets Feb 11, 2026 deadline.
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