Overview On January 14, NSFOCUS CERT detected that Microsoft released the January Security Update patch, which fixed 112 security issues involving widely used products such as Windows, Microsoft ...

In the future, updates for Windows 11 (24H2/25H2) and Server 2025 will receive separate KB numbers. This could streamline updates. Starting with the upcoming patch day on January 13, 2026, Microsoft ...

Microsoft rolls out new Kerberos protections to block RC4 encryption, with enforcement mode becoming mandatory for domain controllers in 2026.

Microsoft's latest zero-day patch blocks a viral Office document hack - how to protect your PC ASAP ...

Microsoft has released another emergency Windows 11 update after a January patch triggered widespread app crashes, Outlook failures, and cloud sync issues, forcing the company into rare back to back ...

If when you try to install a Feature Update via Windows Update on your Windows 11 or Windows 10 computer, the update installation fails with error code 0x80244018 ...

Microsoft forced to issue an emergency patch to fix an Office zero-day being actively exploited.

To exploit the vulnerability, an attacker would need either system access or be able to convince a user to open a malicious ...

Microsoft releases an urgent out-of-band update for a critical Office zero-day flaw already exploited in real-world attacks.

Ukraine's defenders have spotted a new hacking attack ...

In 2026, Microsoft plans to enhance Windows 11, addressing previous update quality concerns and user feedback about the operating system.

Microsoft has released an emergency patch for CVE-2026-21509, a zero-day Office vulnerability under active exploitation that ...