Microsoft recently published a security advisory warning of a newly discovered zero-day vulnerability in Office applications. The vulnerability, designated CVE-2026-21509, is classified as “high” risk ...

Microsoft has released emergency out-of-band security updates to patch a high-severity Microsoft Office zero-day vulnerability exploited in attacks. The security feature bypass vulnerability, tracked ...

Microsoft has backtracked on its plan to end support for Office apps on Windows 10 later this year and announced that it will continue providing security updates for three more years, until 2028. This ...

Microsoft Defender Application Guard’s Hyper-V malicious detection is being abandoned in favor of a faster rules-based design. Windows enterprise administrators will have until December 2027 at the ...

Microsoft has rolled out fixes for security vulnerabilities in Windows and Office, which the company says are being actively abused by hackers to break into people’s computers. The exploits are ...

PCWorld reports that Microsoft issued emergency updates for a critical zero-day vulnerability (CVE-2026-21509) in Office that attackers exploited against Ukrainian authorities and EU institutions. The ...