Swati KhandelwalSep 22, 2026Vulnerability / Endpoint Security A zero-day proof-of-concept tool that stops Microsoft Defender from installing platform and signature updates by filling all available disk space was published… Continue reading
Tag: PoC
Ravie LakshmananSep 09, 2026Vulnerability / Endpoint Security The security researcher known as Chaotic Eclipse has dropped a proof-of-concept (PoC) for yet another zero-day in Microsoft Defender. The vulnerability,… Continue reading
OpenAI on Thursday officially unveiled GPT‑6 Astra, which it described as the “world’s most intelligent and aligned model.” The development comes days after the artificial intelligence (AI) company… Continue reading
Ravie LakshmananSep 03, 2026Vulnerability / Endpoint Security The security researcher known as Chaotic Eclipse (aka INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse) has dropped a new zero-day dubbed FalconFlank, a… Continue reading
Ravie LakshmananAug 13, 2026Vulnerability / Enterprise Security Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept (PoC) code. The… Continue reading
Ravie LakshmananAug 12, 2026Zero-Day / Vulnerability The security researcher going by the name Chaotic Eclipse (aka INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse) has released a proof-of-concept (PoC) for a… Continue reading
Ravie LakshmananJul 29, 2026Vulnerability / Enterprise Security Cybersecurity researchers have shared additional technical details about a recently patched critical security flaw impacting Check Point Security Management Server and… Continue reading
Swati KhandelwalJul 25, 2026Vulnerability / Application Security Security researcher Yuhang Wu at depthfirst has published a working proof-of-concept (PoC) exploit that executes commands as git on an unpatched… Continue reading
Ravie LakshmananJul 21, 2026Vulnerability / Web Security A third SharePoint Server flaw patched by Microsoft as part of its Patch Tuesday update for July 2026 has come under… Continue reading
Security researcher Chaotic Eclipse (aka Nightmare-Eclipse) has released a new proof-of-concept (PoC) exploit called LegacyHive. It has been described as a Windows User Profile Service arbitrary hive load… Continue reading
