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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

10 matches · most urgent first CSVText
Fixed by KB5123300Clear
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-66302 Skype for Business Remote Code Execution VulnerabilitySkype for Business Critical 9.81.0%RCENetwork
KB5123287KB5123300+1
CVE-2026-69646 Skype for Business Spoofing VulnerabilitySkype for Business Important 8.30.3%SpoofingAdjacent
KB5123287KB5123300+1
CVE-2026-66304 Skype for Business Information Disclosure VulnerabilitySkype for Business Important 7.51.0%Information DisclosureNetwork
KB5123287KB5123300+1
CVE-2026-66307 Skype for Business and Lync Denial of Service VulnerabilitySkype for Business Important 7.51.2%DoSNetwork
KB5123287KB5123300+1
CVE-2026-66305 Skype for Business Spoofing VulnerabilitySkype for Business Important 7.10.5%SpoofingNetwork
KB5123287KB5123300+1
CVE-2026-63523 Skype for Business Spoofing VulnerabilitySkype for Business Important 6.50.6%SpoofingNetwork
KB5123287KB5123300+1
CVE-2026-66303 Skype for Business and Lync Denial of Service VulnerabilitySkype for Business Important 6.51.1%DoSNetwork
KB5123287KB5123300+1
CVE-2026-66306 Skype for Business Information Disclosure VulnerabilitySkype for Business Important 6.50.9%Information DisclosureNetwork
KB5123287KB5123300+1
CVE-2026-66308 Skype for Business and Lync Denial of Service VulnerabilitySkype for Business Important 6.51.1%DoSNetwork
KB5123287KB5123300+1
CVE-2026-69642 Skype for Business Spoofing VulnerabilitySkype for Business Important 6.50.4%SpoofingNetwork
KB5123287KB5123300+1

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 11 Nov 03:41 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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