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Security

Microsoft security updates and public advisory evidence: affected products, fixing updates, exploitation and source coverage.

September 2026: 998 CVEs · 132 critical · 2 exploited · 2 in CISA KEV

Act first · October 2026

Exploited, KEV-listed, or publicly disclosed
CVE-2026-96951ImportantExploitedCISA KEV · due 16 OctSFBNetwork
Windows Shell Security Feature Bypass Vulnerability
CVSS 8.8 KB5126646KB5126651KB5126653+6
Patch next · critical, "exploitation more likely", or top 5% EPSS · needs an update183
CVSS 8.1 · EPSS 1.4% KB5128895KB5128896KB5128897+1
CVSS 8.1 · EPSS 1.0% KB5126646KB5126651KB5126653+7
CVSS 8.8 · EPSS 2.7% KB5129955KB5129956KB5129957+1
Showing 3 of 183All critical

CVEs · October 2026

262 matches · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-96846 WebDAV Information Disclosure VulnerabilityWebDAV Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+8
CVE-2026-96848 Windows Win32 Kernel Subsystem Information Disclosure VulnerabilityWindows Win32 Kernel Subsystem Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+3
CVE-2026-96849 Windows Kernel-Mode Drivers Information Disclosure VulnerabilityWindows Kernel-Mode Drivers Important 5.50.4%Information DisclosureLocal
KB5127646
CVE-2026-96850 Windows Modern Device Management (MDM) Information Disclosure VulnerabilityWindows Modern Device Management (MDM) Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+5
CVE-2026-96851 Windows Management Instrumentation Information Disclosure VulnerabilityWindows Management Instrumentation Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+8
CVE-2026-96854 Windows Device Association Service Information Disclosure VulnerabilityWindows Device Association Service Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+7
CVE-2026-96857 Windows Projected File System Information Disclosure VulnerabilityWindows Projected File System Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+5
CVE-2026-96859 Windows Imaging Component Information Disclosure VulnerabilityWindows Imaging Component Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+8
CVE-2026-96860 Windows USB Print Driver Information Disclosure VulnerabilityWindows USB Print Driver Important 5.50.4%Information DisclosureLocal Revised 30 Oct
KB5126646KB5126651+8
CVE-2026-96910 Microsoft Windows Search Component Information Disclosure VulnerabilityMicrosoft Windows Search Component Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+8
CVE-2026-96921 Windows Message Queuing Queue Manager Information Disclosure VulnerabilityWindows Message Queuing Queue Manager Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+8
CVE-2026-96925 Windows NTFS Information Disclosure VulnerabilityWindows NTFS Important 5.50.4%Information DisclosureLocal
KB5126646KB5126651+8

Advisories · October 2026

MSRC guidance without a CVE of its own · 1 advisory
Hardening changes for ReFS volumes on removable mediaStarting with Windows updates released on and after October 13, 2026, Microsoft is making hardening changes to the Resilient File System (ReFS) . This change is not enable by default until 2027. Please see Hardening changes for ReFS volumes on removable media for more information.
Published 13 Oct28 affected products
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 22:09 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current