Microsoft Patch Tuesday – October 2026

Microsoft Patch Tuesday – October 2026

1,411 Vulnerabilities and Three Zero-Days An actively exploited Windows Shell flaw, publicly disclosed vulnerabilities and a record-breaking security release put enterprise patch management under pressure. 1. October’s Patch Tuesday Is…
BigDiskBuster: Microsoft Defender Update DoS PoC

BigDiskBuster: Microsoft Defender Update DoS PoC

A new proof-of-concept called BigDiskBuster has been released by security researcher Abdelhamid Naceri, also known as Nightmare Eclipse. The tool targets the Microsoft Defender Antivirus update mechanism rather than directly…