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Record Microsoft Patch Tuesday, fresh zero-day

ID: 9e1c2a26-af06-580a-805f-37cbb054f2ce

STIX ID: report--9e1c2a26-af06-580a-805f-37cbb054f2ce

Feed Name: Help Net Security

Threat Score
80/100

Date Published: 2026-06-10

Date Updated: 2026-06-10

Author: Zeljka Zorz

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Microsoft’s largest Patch Tuesday fixed nearly 200 CVEs; researchers published PoCs (including a Windows Defender local privilege escalation named “RoguePlanet”) and several high-priority flaws were called out — an actively exploited Exchange vulnerability, a CTFMON privilege escalation tied to prior exploits, an HTTP.sys issue, BitLocker bypasses, and a wormable kernel TCP/IP bug — underscoring accelerated exploit development (including AI-assisted PoCs) and urgent patching priorities.

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