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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

612 matches · most urgent first CSV Text
Fixed by KB5126835Clear
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-70260 Microsoft Trace Data Helper Information Disclosure VulnerabilityMicrosoft Trace Data Helper Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70261 Microsoft Trace Data Helper Information Disclosure VulnerabilityMicrosoft Trace Data Helper Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70277 Windows Fast FAT File System Driver Information Disclosure VulnerabilityWindows Fast FAT Driver Important 5.50.6%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70284 Win32k Information Disclosure VulnerabilityWindows Win32 Kernel Subsystem Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70288 Win32k Information Disclosure VulnerabilityWindows Win32 Kernel Subsystem Important 5.50.3%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70292 Win32k Information Disclosure VulnerabilityWindows Win32 Kernel Subsystem Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70293 Win32k Information Disclosure VulnerabilityWindows Win32 Kernel Subsystem Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70294 Win32k Information Disclosure VulnerabilityWindows Win32 Kernel Subsystem Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-70295 Win32k Information Disclosure VulnerabilityWindows Win32 Kernel Subsystem Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83571 Windows Audio Service Information Disclosure VulnerabilityWindows Audio Service Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83664 Windows Portable Device File System Driver Information Disclosure VulnerabilityWindows Portable Device File System Driver Important 5.50.3%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83668 Windows WLAN Service Information Disclosure VulnerabilityWindows WLAN Service Important 5.50.3%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8

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 17 Oct 10:31 UTC · 253 of 255 readable · 252 fully read · documentation 0/410 current

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