Cybersecurity Daily: News & Threats · 22 Jun 2026 · 4 min

208 CVEs, Qilin Hits Telecom & GentleKiller EDR Bypass

Microsoft's 208-CVE Patch Tuesday introduced a Recycle Bin regression hitting millions of Windows systems, while Qilin ransomware claimed Q Link Wireless and the GentleKiller EDR bypass toolkit went public. Today's briefing also covers Teams-based C2 attacks and tightening regulations under DORA and CIRCIA.

Cybersecurity Daily: News & Threats
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208 CVEs, Qilin Hits Telecom & GentleKiller EDR Bypass

Audio is available on Spreaker — see link below.

What's covered

Patch Tuesday Breaks Windows

Microsoft shipped fixes for two hundred and eight vulnerabilities this week. That number sounds like progress.

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Qilin Claims Q Link Wireless

On June sixteenth, the Qilin ransomware group publicly claimed responsibility for breaching Q Link Wireless, a major U.S. telecom provider. The claim itself matters, but the target matters more.

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GentleKiller EDR Bypass Toolkit

A May twenty twenty-six internal data leak confirmed what threat researchers had suspected. GentleKiller isn't a one-off tool.

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Microsoft Teams Abused for C2

Between June fourteenth and twentieth, a ransomware group used Microsoft Teams relay infrastructure to conceal command-and-control communications via a custom backdoor. The technique works because Teams traffic blends with legitimate enterprise network activity.

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DORA and CIRCIA Tighten Rules

Two regulatory developments landed this week that will shape how organizations handle incidents going forward. In the EU, financial regulators published their first annual ICT incident overview on June third under the DORA framework.

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Key Watchpoints This Cycle

The two signals worth tracking closely from here are the Patch Tuesday regression and GentleKiller's affiliate exposure. Microsoft's rollback guidance, when it arrives, will tell you how seriously they're treating the operational impact.

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