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Microsoft June 2026 Patch Tuesday record security update bundle

Security Patch Release
First reported
Last updated
Happening score
H score 36
2 unique sources, 2 articles

Summary

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Microsoft released a record Patch Tuesday bundle for June 2026 that patches nearly 200 security holes across Windows operating systems and supported software, with nearly three dozen critical flaws and public exploit code already available for at least three weaknesses.

Related Happenings

Microsoft security patch release for CVE-2026-56164

Security Patch Release
H score11 First: 14.07.2026 23:25 Last: 14.07.2026 23:25 Sources 1

About this happening: Microsoft released a record 622-CVE Patch Tuesday that includes two exploited flaws in SharePoint Server and Active Directory Federation Services, raising urgency...

Open Happening

Microsoft Corp. security patch release for CVE-2026-56155

Security Patch Release
H score48 First: 14.07.2026 22:22 Last: 14.07.2026 22:22 Sources 1

About this happening: Microsoft released July 2026 Patch Tuesday updates that close at least 570 security holes in Windows and other software, expanding the remediation burden for defen...

Open Happening

Microsoft July 2026 Patch Tuesday security updates (570 flaws, 3 zero-days)

Security Patch Release
H score36 First: 14.07.2026 21:01 Last: 14.07.2026 21:01 Sources 1

About this happening: Microsoft's July 2026 Patch Tuesday released security updates for 570 flaws, including three zero-days and two vulnerabilities exploited in attacks, creating immed...

Open Happening

Microsoft security patch release for CVE-2026-42824

Security Patch Release
H score30 First: 15.06.2026 16:00 Last: 15.06.2026 16:00 Sources 1

About this happening: Microsoft's fix for SearchLeak in Microsoft 365 Copilot Enterprise closed a critical flaw tied to CVE-2026-42824 that could expose mailbox, OneDrive, and SharePo...

Open Happening

Microsoft Windows June 2026 Patch Tuesday zero-day fixes (multiple vulnerabilities)

Security Patch Release
H score40 First: 10.06.2026 12:57 Last: 10.06.2026 12:57 Sources 1

About this happening: Microsoft's June 2026 Patch Tuesday fixed three Windows zero-days that could yield SYSTEM access or bypass BitLocker on vulnerable systems.

Open Happening

Timeline

  1. 10.06.2026 01:07 1 articles · 1mo ago

    Microsoft pushes a stopgap fix for a Visual Studio Code zero-day

    Mitigation Patch Update

    Microsoft pushed a stopgap fix for a Visual Studio Code flaw after a researcher published exploitation instructions, addressing a vulnerability that could let attackers steal GitHub tokens with a single click.

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  2. 10.06.2026 01:07 3 articles · 1mo ago

    Microsoft releases June 2026 Patch Tuesday updates for nearly 200 vulnerabilities

    Initial Disclosure

    Microsoft released software updates for nearly 200 Windows and supported-software vulnerabilities in its June 2026 Patch Tuesday, including nearly three dozen critical flaws and zero-days such as CVE-2026-49160 in Microsoft Internet Information Services (IIS), CVE-2026-45586 in the Windows Collaborative Translation Framework, CVE-2026-50507 in BitLocker, and a Visual Studio Code zero-day that could let attackers steal GitHub tokens with a single click; exploit code was already public for at least three weaknesses.

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  3. 10.06.2026 01:07 1 articles · 1mo ago

    Nightmare Eclipse publishes a claimed Windows Defender zero-day exploit

    Exploitation Observed

    Immediately after Microsoft released the June 9 patches, Nightmare Eclipse published an exploit for a claimed zero-day bug in Windows Defender.

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