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9.8 — CRITICAL

Microsoft rolls out massive Windows 11 security update with 416 fixes

📅 14 July 2026 at 21:29 UTC📰 Cyber InsiderView original source ↗
Microsoft rolls out massive Windows 11 security update with 416 fixes

Microsoft has released the July 2026 Patch Tuesday cumulative updates for Windows 11, fixing hundreds of security vulnerabilities while introducing Secure Boot improvements, security hardening changes, and compatibility fixes. The updates also patch a publicly disclosed BitLocker bypass vulnerability and an actively exploited Active Directory Federation Services (AD FS) privilege escalation flaw. The July Patch … The post Microsoft rolls out massive Windows 11 security update with 416 fixes appeared first on CyberInsider.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Microsoft released the July 2026 Patch Tuesday cumulative updates, addressing 622 CVEs across its products, including 416 Windows vulnerabilities and several actively exploited flaws. The updates aim to improve security features and fix known issues.

⚙️Technical Details
Affected Systems
Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows Server 2012Microsoft Windows Server 2016Microsoft Windows Server 2019Microsoft SharePoint Server
Attack Vectors
PHYSICALLOCALNETWORK
💥Impact Assessment
Severity: CRITICAL
Who Is at Risk
Users of affected systems, including organizations with Microsoft products and services
🛡️Recommended Actions
1Apply the July 2026 Patch Tuesday cumulative updates to all affected systems as soon as possible.
2Ensure Secure Boot improvements are enabled on vulnerable devices.
3Enable AMSI integration and configure Full request body scanning for Microsoft SharePoint Server.
📦Affected Products
Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows Server 2012Microsoft Windows Server 2016Microsoft Windows Server 2019Microsoft Windows Server 2022Microsoft Windows Server 2025Microsoft Sharepoint ServerMicrosoft WindowsMicrosoft Office
🔐NVD Verified DataVERIFIED
CVE-2026-50661 ↗CVSS 6.1 — MEDIUM
Attack Vector
PHYSICAL
Complexity
LOW
Vector String
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-693
CVE-2026-56155 ↗CVSS 7.8 — HIGH
Attack Vector
LOCAL
Complexity
LOW
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-1220
Affected Products (CPE)
Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows Server 2012Microsoft Windows Server 2016Microsoft Windows Server 2019
CVE-2026-56164 ↗CVSS 9.8 — CRITICAL
Attack Vector
NETWORK
Complexity
LOW
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-306
Affected Products (CPE)
Microsoft Sharepoint Server

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