Find notable cyber news and cases, enriched with sources, timelines, and signals.
Home Watchlists Beta Browse News Feed Stats About Contact

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

Security Patch Release
First reported
Last updated
Happening score
H score 56
3 unique sources, 3 articles

Summary

Hide ▲

Microsoft released July 2026 Patch Tuesday updates that close at least 570 security holes in Windows and other software, expanding the remediation burden for defenders. The bundle includes nearly 60 critical vulnerabilities and three zero-days already exploited in the wild. It also covers issues such as CVE-2026-56155 in Active Directory Federation Services, CVE-2026-56164 in SharePoint, and CVE-2026-50661 in Windows BitLocker. The release is almost triple last month’s record patch count and adds operational risk during rollout.

Related Happenings

Zoom security patch release for CVE-2026-53412

Security Patch Release
H score43 First: 15.07.2026 23:16 Last: 15.07.2026 23:16 Sources 1

About this happening: Zoom released Windows security patches covering CVE-2026-53412 and three additional flaws across Zoom Workplace, Windows VDI, Zoom Rooms, Contact Center, a...

Open Happening

CISA Microsoft SharePoint hardening guidance for exploited zero-days

Advisory/Mitigation
H score56 First: 15.07.2026 17:07 Last: 15.07.2026 17:07 Sources 1

How related: The development comes as CISA warned of active exploitation of multiple SharePoint Server vulnerabilities, including CVE-2026-32201, CVE-2026-45659, CVE-2026-56164, and CVE-2026-58644, that could enable threat actors to gain unauthorized access to on-premises instances.

About this happening: CISA’s Microsoft SharePoint servers hardening guidance responds to newly disclosed zero-day vulnerabilities that can be exploited remotely, creating immediate risk for sup...

Open Happening

Microsoft SharePoint Server actively exploited multi-CVE wave

Exploitation Wave
H score79 First: 15.07.2026 12:44 Last: 15.07.2026 12:44 Sources 1

How related: The development comes as CISA warned of active exploitation of multiple SharePoint Server vulnerabilities, including CVE-2026-32201, CVE-2026-45659, CVE-2026-56164, and CVE-2026-58644, that could enable threat actors to gain unauthorized access to on-premises instances.

About this happening: SharePoint Server exploitation wave remains active across internet-exposed on-premises instances, with CVE-2026-32201, CVE-2026-45659, and CVE-2026-56164 used...

Open Happening

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

How related: Patches for the flaw have been released as part of the Patch Tuesday updates released on July 14, 2026.

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 YellowKey patch release (CVE-2026-45585)

Security Patch Release
H score20 First: 11.06.2026 20:43 Last: 11.06.2026 20:43 Sources 1

About this happening: Microsoft's Patch Tuesday updates this week patched YellowKey (CVE-2026-45585), closing a Windows BitLocker bypass that could expose protected volumes. The vendor rele...

Open Happening

Timeline

  1. 14.07.2026 22:22 1 articles · 13d ago

    CISA adds SharePoint zero-day to Known Exploited Vulnerabilities list

    Technical Analysis Update

    CISA adds the Microsoft SharePoint zero-day to its Known Exploited Vulnerabilities list on July 1, indicating the flaw is already being actively exploited before Microsoft’s July Patch Tuesday bundle.

    Show sources
    Open in new tab
  2. 14.07.2026 22:22 1 articles · 13d ago

    Microsoft says AI will drive a higher volume of security updates

    Technical Analysis Update

    Microsoft Executive Vice President Pavan Davuluri says advances in AI are making it possible to find more issues, faster, across more code, and that Windows users should expect a higher volume of security updates in each release.

    Show sources
    Open in new tab
  3. 14.07.2026 22:22 4 articles · 13d ago

    Microsoft releases July Patch Tuesday updates for at least 570 security holes

    Initial Disclosure

    Microsoft releases July Patch Tuesday updates for Windows operating systems and other software, closing at least 570 security holes, nearly 60 critical flaws, and three zero-days already exploited in the wild. The bundle includes CVE-2026-56155 in Active Directory Federation Services, CVE-2026-56164 in SharePoint, CVE-2026-50661 in Windows BitLocker, and CVE-2026-48561 in Microsoft Copilot.

    Show sources
    Open in new tab