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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

20 matches in Browser · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-96951 Windows Shell Security Feature Bypass VulnerabilityWindows Shell Important 8.89.8%SFBNetwork ExploitedCISA KEV · due 16 OctRevised 26 Oct
KB5126646KB5126651+7
CVE-2026-96202 Windows Raw Image Extension Remote Code Execution VulnerabilityWindows Raw Image Extension Critical 8.80.9%RCENetwork Revised 26 Oct
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CVE-2026-83831 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.8%RCENetwork Revised 26 Oct
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CVE-2026-85890 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.6%RCENetwork Revised 26 Oct
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CVE-2026-85897 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.6%RCENetwork Revised 26 Oct
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CVE-2026-85898 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.8%RCENetwork Revised 26 Oct
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CVE-2026-88077 Microsoft Edge (Chromium-based) Elevation of Privilege VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.6%EoPNetwork
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CVE-2026-96192 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge for iOS Important 8.80.6%RCENetwork
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CVE-2026-96196 Microsoft Edge (Chromium-based) Security Feature Bypass VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.8%SFBNetwork
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CVE-2026-96198 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.6%RCENetwork Revised 26 Oct
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CVE-2026-96199 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.6%RCENetwork Revised 26 Oct
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CVE-2026-96203 Microsoft Edge (Chromium-based) Elevation of Privilege VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.6%EoPNetwork
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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 15:16 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current