CRITICALVulnerability
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A Record-Breaking Patch Tuesday for June 2026

·Source: Krebs on Security

Updated:

Executive Summary

Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of fixes for the company's monthly Patch Tuesday cycle. Nearly three dozen of those bugs earned Microsoft's most dire "critical" rating, and exploit code for at least three of the weaknesses is now publicly available.

Analysis

Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of fixes for the company's monthly Patch Tuesday cycle. Nearly three dozen of those bugs earned Microsoft's most dire "critical" rating, and exploit code for at least three of the weaknesses is now publicly available.

Indicators of Compromise (3)

CVE (3)
CVE-2026-45586
NVDMITRE CVE
CVE-2026-49160
NVDMITRE CVE
CVE-2026-50507
NVDMITRE CVE
Source Attribution

Originally published by Krebs on Security on Jun 9, 2026.

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