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 CSV Text

CVE	Vulnerability	Severity	CVSS	EPSS	Impact	Status	Fixed by
CVE-2026-70249	Windows Win32k Elevation of Privilege VulnerabilityWindows Win32 Kernel Subsystem	Important	7.0	0.3%	EoPLocal	Fix has a known issue	KB5126646 KB5126651+6
CVE-2026-70252	Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege VulernabilityVirtual Hard Disk (VHD) Miniport Driver	Important	7.0	0.3%	EoPLocal	Fix has a known issue	KB5126646 KB5126651+8
CVE-2026-70253	Windows Win32k Elevation of Privilege VulnerabilityWindows Win32 Kernel Subsystem	Important	7.0	0.3%	EoPLocal	Fix has a known issue	KB5126646 KB5126651+6
CVE-2026-70271	Windows Win32k Elevation of Privilege VulnerabilityWindows Win32 Kernel Subsystem	Important	7.0	0.3%	EoPLocal	Fix has a known issueRevised 10 Nov	KB5126646 KB5126651+8
CVE-2026-70272	Windows Installer Elevation of Privilege VulnerabilityWindows Installer	Important	7.0	0.3%	EoPLocal	Fix has a known issue	KB5126646 KB5126651+8
CVE-2026-70273	Windows Win32k Elevation of Privilege VulnerabilityWindows Win32 Kernel Subsystem	Important	7.0	0.3%	EoPLocal	Fix has a known issue	KB5126646 KB5127646+1
CVE-2026-70283	Windows Win32k Elevation of Privilege VulnerabilityWindows Win32K	Important	7.0	0.2%	EoPLocal		KB5122871 KB5122876+8
CVE-2026-70562	Windows Audio Service Elevation of Privilege VulnerabilityWindows Audio Service	Important	7.0	0.3%	EoPLocal	Revised 30 Sep	KB5122871 KB5122876+8
CVE-2026-70565	Windows AF_UNIX Socket Provider Elevation of Privilege VulnerabilityWindows AF_UNIX Socket Provider	Important	7.0	0.3%	EoPLocal		KB5122871 KB5122876+8
CVE-2026-70567	Windows Display Enhancement Service Elevation of Privilege VulnerabilityWindows Display Enhancement Service	Important	7.0	0.3%	EoPLocal		KB5122871 KB5124008+1
CVE-2026-70568	Windows Defender Firewall Service Elevation of Privilege VulnerabilityWindows Defender Firewall Service	Important	7.0	0.3%	EoPLocal		KB5122871 KB5122876+8
CVE-2026-70573	Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service	Important	7.0	0.3%	EoPLocal		KB5122871 KB5122876+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