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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

349 matches · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-83916 Windows Error Reporting Remote Code Execution VulnerabilityWindows Error Reporting Important 7.00.3%RCELocal
KB5126646KB5126651+8
CVE-2026-69947 Windows Overlay Filter Remote Code Execution VulnerabilityWindows Overlay Filter Important 6.80.5%RCEPhysical Revised 4 Nov
KB5126646KB5126653+4
CVE-2026-69958 Windows Overlay Filter Remote Code Execution VulnerabilityWindows Overlay Filter Important 6.80.5%RCEPhysical
KB5126646KB5126651+8
CVE-2026-69902 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 6.70.4%RCELocal Revised 21 Oct
KB5126646KB5126651+8
CVE-2026-70189 Microsoft SQL Server Remote Code Execution VulnerabilitySQL Server Important 6.70.3%RCELocal
KB5126934KB5126967+6
CVE-2026-88089 Microsoft SQL Server Remote Code Execution VulnerabilitySQL Server Important 6.70.3%RCELocal
KB5126967KB5129299+7
CVE-2026-83945 Microsoft SQL Server Remote Code Execution VulnerabilitySQL Server Important 6.60.5%RCENetwork
KB5126967KB5129299+3
CVE-2026-85841 Windows DHCP Server Remote Code Execution VulnerabilityWindows DHCP Server Important 6.60.6%RCENetwork
KB5126646KB5126651+4
CVE-2026-70119 Windows DNS Remote Code Execution VulnerabilityWindows DNS Important 6.51.3%RCENetwork
KB5126646KB5126655
CVE-2026-77900 Azure App Service Remote Code Execution VulnerabilityAzure App Service Critical 9.80.7%RCENetwork
Service-side fix
CVE-2026-88131 Microsoft Dataverse Remote Code Execution VulnerabilityMicrosoft Dataverse Critical 9.81.2%RCENetwork
Service-side fix
CVE-2026-105014 Azure Pipelines Remote Code Execution VulnerabilityAzure Pipelines Critical 9.10.7%RCENetwork
Service-side fix

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 20:03 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current