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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-2026-78444 Microsoft Failover Cluster Remote Code Execution VulnerabilityWindows Failover Cluster Critical 8.10.7%RCENetwork
KB5122871KB5122876+1
CVE-2026-78449 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution VulnerabilityReliable Multicast Transport Driver (RMCAST) Critical 8.10.7%RCENetwork
KB5122871KB5122876+8
CVE-2026-78450 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution VulnerabilityReliable Multicast Transport Driver (RMCAST) Critical 8.10.7%RCENetwork
KB5122871KB5122876+1
CVE-2026-88117 Windows DHCP Server Remote Code Execution VulnerabilityWindows DHCP Server Critical 8.10.7%RCENetwork Fix has a known issue
KB5126646KB5126651+4
CVE-2026-88119 Windows DHCP Server Remote Code Execution VulnerabilityWindows DHCP Server Critical 8.10.8%RCENetwork Fix has a known issue
KB5126646KB5126651+4
CVE-2026-88120 Windows DHCP Server Remote Code Execution VulnerabilityWindows DHCP Server Critical 8.10.8%RCENetwork Fix has a known issue
KB5126646KB5126651+4
CVE-2026-88171 Windows DHCP Server Remote Code Execution VulnerabilityWindows DHCP Server Critical 8.10.7%RCENetwork Fix has a known issue
KB5126646KB5126651+4
CVE-2026-88174 Windows Deployment Services Remote Code Execution VulnerabilityWindows Deployment Services Critical 8.10.4%RCENetwork Fix has a known issue
KB5126646KB5126651+4
CVE-2026-100215 Microsoft Graphics Component Remote Code Execution VulnerabilityMicrosoft Graphics Component Critical 7.80.5%RCELocal Fix has a known issue
KB5126646KB5126651+7
CVE-2026-108130 Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege VulnerabilityWindows Virtualization-Based Security (VBS) Enclave Critical 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5127646+1
CVE-2026-113856 Windows Hyper-V Elevation of Privilege VulnerabilityWindows Hyper-V Critical 7.8—EoPLocal
KB5131077KB5131080+6
CVE-2026-113865 Windows Hyper-V Elevation of Privilege VulnerabilityWindows Hyper-V Critical 7.8—EoPLocal
KB5131077KB5131080+6

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 12 Nov 16:29 UTC · 265 of 275 readable · 263 fully read · documentation 469/469 current

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