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Security

CVE detail from Microsoft's public MSRC CVRF API, cross-checked with CISA's Known Exploited Vulnerabilities catalog. Counts cover Microsoft-issued CVEs; republished third-party CVEs such as Chromium or Linux are hidden unless you include them.

Security Update Guide CISA KEV

CVEs · all collected releases

649 matches · most urgent first CSV Text
Fixed by KB5126836Clear
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-83647 Windows Active Directory Domain Services Denial of Service VulnerabilityActive Directory Domain Services Important 7.51.1%DoSNetwork
KB5126646KB5126651+7
CVE-2026-83655 Network Policy Server (NPS) Denial of Service VulnerabilityNetwork Policy Server (NPS) Important 7.51.2%DoSNetwork
KB5126646KB5126651+8
CVE-2026-83665 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 7.51.2%DoSNetwork
KB5126646KB5126651+4
CVE-2026-83670 Function Discovery Service (fdwsd.dll) Information Disclosure VulnerabilityFunction Discovery Service (fdwsd.dll) Important 7.51.0%Information DisclosureNetwork
KB5126646KB5126651+8
CVE-2026-83795 Windows Internet Key Exchange (IKE) Extension Denial of Service VulnerabilityWindows IKE Extension Important 7.51.1%DoSNetwork
KB5126646KB5126651+8
CVE-2026-83843 Windows Internet Key Exchange (IKE) Extension Denial of Service VulnerabilityWindows Internet Key Exchange (IKE) Protocol Important 7.51.1%DoSNetwork
KB5126646KB5126651+8
CVE-2026-83860 Windows GDI Denial of Service VulnerabilityWindows GDI Important 7.51.1%DoSNetwork
KB5126646KB5126651+8
CVE-2026-84017 Windows Routing and Remote Access Service (RRAS) Denial of Service VulnerabilityWindows Routing and Remote Access Service (RRAS) Important 7.51.1%DoSNetwork
KB5126646KB5126651+8
CVE-2026-85319 Active Directory Federation Services (AD FS) Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.1%DoSNetwork
KB5126646KB5126651+4
CVE-2026-85321 Active Directory Federation Services (AD FS) Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.1%DoSNetwork
KB5126646KB5126651+3
CVE-2026-85322 Windows Routing and Remote Access Service (RRAS) Information Disclosure VulnerabilityWindows Routing and Remote Access Service (RRAS) Important 7.51.0%Information DisclosureNetwork
KB5126646KB5126651+8
CVE-2026-85324 Active Directory Federation Services (AD FS) Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.50.8%DoSNetwork
KB5126646KB5126651+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 15 Oct 21:30 UTC · 254 of 255 readable · 253 fully read · documentation 0/409 current

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