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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-2026-83686 Microsoft Windows Search Component Information Disclosure VulnerabilityMicrosoft Windows Search Component Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83695 Windows Event Logging Service Information Disclosure VulnerabilityWindows Event Logging Service Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83705 HTTP.sys Information Disclosure VulnerabilityWindows HTTP.sys Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83713 Windows Universal Disk Format File System Driver (UDFS) Information Disclosure VulnerabilityWindows Universal Disk Format File System Driver (UDFS) Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83714 HTTP.sys Information Disclosure VulnerabilityWindows HTTP.sys Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83723 Windows Event Logging Service Information Disclosure VulnerabilityWindows Event Logging Service Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83733 Windows Print Spooler Components Information Disclosure VulnerabilityWindows Print Spooler Components Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83737 Windows NTFS Information Disclosure VulnerabilityWindows NTFS Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83747 Windows Error Reporting Information Disclosure VulnerabilityWindows Error Reporting Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83755 Win32k Information Disclosure VulnerabilityWindows Win32K Important 5.50.4%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83787 Windows DHCP Server Security Feature Bypass VulnerabilityWindows DHCP Server Important 5.50.3%SFBLocal Fix has a known issue
KB5126646KB5126651+4
CVE-2026-83794 Windows Portable Device MTP Driver Information Disclosure VulnerabilityWindows Portable Device MTP Driver Important 5.50.4%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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