Related Threat Clusters
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New Windows Zero-Day 'ShieldBreak' Exploits Microsoft Defender Flaw
Security researcher Nightmare Eclipse has disclosed a new zero-day vulnerability named ShieldBreak, which allows attackers to gain SYSTEM-level privileges on fully patched Windows 10, Windows 11, and Windows Server…
50 articles · Updated August 12, 2026 -
Patch Window Collapse: Urgent Need for Enhanced Cybersecurity Controls
As of September 2026, the cybersecurity landscape is facing significant challenges due to a collapsing patch window. Organizations are struggling to keep up with the rapid disclosure and exploitation of vulnerabilities,…
2 articles · Updated September 4, 2026 -
Windows Defender Crashes Following Security Update Fix for ShieldBreak Vulnerability
Microsoft has addressed a bug causing Windows Defender to crash during scans after a recent security update aimed at fixing the ShieldBreak zero-day vulnerability. Users reported access violation errors and service…
11 articles · Updated August 19, 2026 -
Nightmare Eclipse Releases Kaspersky Exploit 'HardBreacher'
A researcher known as Nightmare Eclipse has released a proof-of-concept (PoC) exploit named HardBreacher, targeting a privilege escalation vulnerability in Kaspersky Endpoint Security. This exploit affects fully patched…
5 articles · Updated August 31, 2026 -
New Zero-Day Exploit FalconFlank Targets CrowdStrike Falcon Platform
Chaotic Eclipse released FalconFlank, a proof-of-concept exploit for a zero-day privilege escalation vulnerability in the CrowdStrike Falcon cybersecurity platform. The exploit leverages the platform's 'Microsoft Office…
3 articles · Updated September 3, 2026
Recent Intelligence Reports
- September 2026 Patch Tuesday forecast: All we need is more time — Helpnetsecurity · September 4, 2026
- Researcher Releases FalconFlank PoC Showing Privilege Escalation in CrowdStrike Falcon — Thehackernews · September 3, 2026
- Nightmare Eclipse Drops ‘HardBreacher’ Kaspersky Product Exploit — Feeds.Feedburner · August 31, 2026
- Microsoft Defender scans break after ShieldBreak zero — Feeds.4Sysops · August 19, 2026
- README.md — git.projectnightcrawler.dev · August 14, 2026
- Researcher bypasses Microsoft Defender security patch, seizing control — Csoonline · August 12, 2026
- Microsoft — Theregister · August 12, 2026
- Microsoft — Theregister · August 12, 2026