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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-2026-70199 Windows Kernel Information Disclosure VulnerabilityWindows Kernel Important 5.50.9%Information DisclosureLocal Fix has a known issueRevised 10 Nov
KB5126646KB5126651+8
CVE-2026-70201 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 5.50.5%DoSLocal Fix has a known issue
KB5126646KB5126651+4
CVE-2026-70208 HTTP.sys Information Disclosure VulnerabilityWindows HTTP.sys Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70211 Win32k Information Disclosure VulnerabilityWindows Win32 Kernel Subsystem Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70216 Windows Mobile Device Management Tampering VulnerabilityWindows Mobile Device Management Important 5.50.3%TamperingLocal Fix has a known issue
KB5126646KB5126651+6
CVE-2026-70227 Windows Device Association Service Information Disclosure VulnerabilityWindows Device Association Service Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126653+2
CVE-2026-70232 Windows Kernel Information Disclosure VulnerabilityWindows Kernel Important 5.50.9%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70234 Desktop Window Manager Information Disclosure VulnerabilityDesktop Window Manager Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+6
CVE-2026-70235 Windows Event Tracing Spoofing VulnerabilityWindows Event Tracing Important 5.50.3%SpoofingLocal Fix has a known issue
KB5126646KB5127646+1
CVE-2026-70260 Microsoft Trace Data Helper Information Disclosure VulnerabilityMicrosoft Trace Data Helper Important 5.50.9%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70261 Microsoft Trace Data Helper Information Disclosure VulnerabilityMicrosoft Trace Data Helper Important 5.50.9%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70270 Windows Container Isolation FS Filter Driver Elevation of Privilege VulnerabilityWindows Container Isolation FS Filter Driver Important 5.50.4%EoPLocal Fix has a known issue
KB5126646KB5126651+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 14 Nov 01:52 UTC · 274 of 275 readable · 270 fully read · documentation 469/469 current

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