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Graphic depicting BigDiskBuster blocking Microsoft Defender updates.

BigDiskBuster — public PoC that can block Microsoft Defender updates by filling the disk

CyberSecureFox Editorial Team

On September 19, a tool called BigDiskBuster was published on GitHub — a proof of …

Illustration depicting CVE-2026-65660 vulnerability in SharePoint.

CVE-2026-65660 in SharePoint: spoofing or remote code execution — what is known and what to do

CyberSecureFox Editorial Team

On 11 August 2026, Microsoft released security updates for SharePoint Server 2016, 2019, and Subscription …

Illustration of Bifrost AI Gateway highlighting CVE-2026-90898 vulnerability.

Unauthenticated command execution in Bifrost via MCP client registration

CyberSecureFox Editorial Team

Two vulnerabilities have been discovered in the open AI gateway Bifrost, which routes requests to …

Zyxel GS1900 switch with vulnerabilities targeting Veeam Agent highlighted.

Active exploitation of vulnerabilities in Zyxel GS1900 switches and Veeam Agent for Windows

CyberSecureFox Editorial Team

On 21 September 2026, CISA added the critical CVE-2026-7273 vulnerability in Zyxel GS1900 switches to …