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

Security Patch Release
First reported
Last updated
Happening score
H score 36
1 unique sources, 1 articles

Summary

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Microsoft's July 2026 Patch Tuesday released security updates for 570 flaws, including three zero-days and two vulnerabilities exploited in attacks, creating immediate patch urgency for Microsoft environments.

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CISA BOD 26-04 SharePoint remediation deadline

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H score77 First: 15.07.2026 12:44 Last: 15.07.2026 12:44 Sources 1

About this happening: CISA gave federal agencies until July 17 to secure or discontinue SharePoint servers affected by CVE-2026-56164, turning the remediation deadline into a mandatory...

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Microsoft YellowKey patch release (CVE-2026-45585)

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Microsoft June 2026 Patch Tuesday record 206-vulnerability update

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H score55 First: 10.06.2026 12:38 Last: 10.06.2026 12:38 Sources 1

About this happening: Microsoft shipped a record 206-vulnerability update for its software portfolio, including three publicly disclosed flaws. The release spans Critical and Important...

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Microsoft June 2026 Patch Tuesday GreenPlasma and YellowKey fixes

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H score15 First: 10.06.2026 02:11 Last: 10.06.2026 02:11 Sources 1

About this happening: Microsoft released June 2026 Patch Tuesday updates that fixed the GreenPlasma and YellowKey flaws, closing two previously disclosed issues in the Windows ecosystem...

Open Happening

Microsoft June 2026 Patch Tuesday record security update bundle

Security Patch Release
H score36 First: 10.06.2026 01:07 Last: 10.06.2026 01:07 Sources 1

About this happening: Microsoft released a record Patch Tuesday bundle for June 2026 that patches nearly 200 security holes across Windows operating systems and supported software,...

Open Happening

Timeline

  1. 14.07.2026 21:01 2 articles · 13d ago

    Microsoft patches 570 flaws in July 2026 Patch Tuesday

    Mitigation Patch Update

    Microsoft released July 2026 Patch Tuesday security updates for 570 flaws, including 59 Critical vulnerabilities and three zero-days. CVE-2026-56155 in Active Directory Federation Services and CVE-2026-56164 in Microsoft SharePoint Server were described as actively exploited in attacks, while CVE-2026-50661 in Windows BitLocker was publicly disclosed and could let an attacker with physical access bypass BitLocker Device Encryption to reach encrypted data. Microsoft said enabling AMSI and setting Request Body Scan mode to Full can help mitigate CVE-2026-56164.

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