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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

651 matches · most urgent first CSVText
Fixed by KB5122882Clear
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-77889 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 7.51.2%DoSNetwork
KB5122871KB5122876+4
CVE-2026-77890 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 7.51.2%DoSNetwork
KB5122871KB5122876+4
CVE-2026-77893 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 7.51.2%DoSNetwork
KB5122871KB5122876+4
CVE-2026-77895 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 7.51.2%DoSNetwork
KB5122871KB5122876+4
CVE-2026-78446 Windows Distributed File System (DFS) Remote Code Execution VulnerabilityWindows Distributed File System (DFS) Important 7.50.5%RCENetwork Revised 5 Oct
KB5122871KB5122876+8
CVE-2026-83989 Windows Services for NFS ONCRPC XDR Driver Denial of Service VulnerabilityWindows Services for NFS ONCRPC XDR Driver Important 7.51.2%DoSNetwork
KB5122871KB5122876+8
CVE-2026-84001 Windows Key Distribution Center Denial of Service VulnerabilityWindows Key Distribution Center Important 7.51.2%DoSNetwork
KB5122871KB5122876+8
CVE-2026-69347 Windows Fast FAT Driver Remote Code Execution VulnerabilityWindows Fast FAT Driver Important 7.40.3%RCELocal
KB5122871KB5122876+8
CVE-2026-68835 Windows Print Spooler Components Elevation of Privilege VulnerabilityWindows Print Spooler Components Important 7.10.6%EoPNetwork
KB5122871KB5122876+8
CVE-2026-68846 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.10.6%EoPNetwork
KB5122871KB5122876+8
CVE-2026-68889 Microsoft Standard XPS Elevation of Privilege VulnerabilityMicrosoft Standard XPS Important 7.10.6%EoPNetwork
KB5122871KB5122876+8
CVE-2026-68893 Remote Desktop Licensing Service Elevation of Privilege VulnerabilityWindows Remote Desktop Licensing Service Important 7.10.6%EoPNetwork
KB5122871KB5122876+4

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

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