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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-2026-97771 Microsoft Office Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 8.80.7%RCENetwork Revised 15 Oct
KB5002928
CVE-2026-97772 Microsoft Office Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 8.80.8%RCENetwork Revised 15 Oct
KB5002928
CVE-2026-97773 Microsoft Office Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 8.80.8%RCENetwork Revised 15 Oct
KB5002928
CVE-2026-97775 Microsoft Office Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 8.80.8%RCENetwork Revised 15 Oct
KB5002928
CVE-2026-97777 Microsoft Office Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 8.80.8%RCENetwork Revised 10 Nov
KB5002928
CVE-2026-97781 Microsoft Office OneNote Remote Code Execution VulnerabilityMicrosoft Office OneNote Important 8.80.9%RCENetwork
—
CVE-2026-67625 Microsoft SQL Server Remote Code Execution VulnerabilitySQL Server Important 8.50.6%RCENetwork
KB5126934KB5126967+6
CVE-2026-85886 Microsoft SQL Server Remote Code Execution VulnerabilitySQL Server Important 8.50.4%RCENetwork
KB5126934KB5126967+6
CVE-2026-100218 Remote Desktop Gateway Service Remote Code Execution VulnerabilityRemote Desktop Gateway Service Important 8.10.8%RCENetwork
KB5126646KB5126651+7
CVE-2026-105005 Windows Schannel Remote Code Execution VulnerabilityWindows Schannel Important 8.10.7%RCENetwork
KB5127646
CVE-2026-69830 Windows DHCP Server Remote Code Execution VulnerabilityWindows DHCP Server Important 8.10.5%RCENetwork
KB5126646KB5126651+4
CVE-2026-69913 Windows TCP/IP Remote Code Execution VulnerabilityWindows TCP/IP Important 8.10.7%RCENetwork
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 19:00 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current