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Security

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

Security Update Guide CISA KEV

CVEs · all collected releases

2592 matches in Windows · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-78455 Xbox Information Disclosure VulnerabilityXbox Important 4.30.5%Information DisclosurePhysical
KB5122876KB5122878+4
CVE-2026-78516 Windows Storage Information Disclosure VulnerabilityWindows Storage Important 4.30.5%Information DisclosurePhysical
KB5122871KB5122876+8
CVE-2026-70116 Windows Resilient File System (ReFS) Security Feature Bypass VulnerabilityWindows Resilient File System (ReFS) Important 4.20.4%SFBPhysical Fix has a known issue
KB5126646KB5127646+1
CVE-2026-83766 Windows Hyper-V Security Feature Bypass VulnerabilityWindows Hyper-V Important 4.20.4%SFBAdjacent Fix has a known issue
KB5126646KB5126651+6
CVE-2026-113816 Windows Link-Layer Discovery Protocol (LLDP) Elevation of Privilege VulnerabilityWindows Link-Layer Discovery Protocol (LLDP) Important 4.10.3%EoPLocal
KB5131077KB5131080+8
CVE-2026-113821 Microsoft Windows SCSI Class System File Information Disclosure VulnerabilityMicrosoft Windows SCSI Class System File Important 4.10.3%Information DisclosureLocal
KB5131077KB5131080+8
CVE-2026-119395 Storport.sys Driver Information Disclosure VulnerabilityStorport.sys Driver Important 4.00.4%Information DisclosurePhysical
KB5131077KB5131080+3
CVE-2026-119875 Windows Storport Miniport Driver Information Disclosure VulnerabilityWindows Storport Miniport Driver Important 4.00.3%Information DisclosurePhysical
KB5131077KB5131080+4
CVE-2026-113766 Windows Language Experience Service Tampering VulnerabilityWindows Language Experience Service Important 3.30.3%TamperingLocal
KB5131077KB5131080+5
CVE-2026-119883 Data Deduplication Security Feature Bypass VulnerabilityData Deduplication Important 3.30.3%SFBLocal
KB5131077KB5131080+3
CVE-2026-119906 Windows Sandbox Elevation of Privilege VulnerabilityWindows Sandbox Important —0.8%EoP
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CVE-2026-66801 Microsoft Xbox Remote Code Execution VulnerabilityXbox Important —1.1%RCE
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Advisories

MSRC guidance without a CVE of its own · 1 advisory
ADV260001
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 15 Nov 09:32 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current

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