KB5087471

Security update fixing 42 CVEs

0Windows versions

42CVEs fixed · 4 critical

0Exploited or in CISA KEV

0Open known issues affecting it

YesRestart required (per MSRC)

Known issues in this update

Windows release health

Windows release health lists no issues from this KB or the update it builds on.

Windows release health names no issues fixed by this KB.

42 Microsoft CVEs · most urgent first

CVE	Vulnerability	Severity	CVSS	EPSS	Impact	Status
CVE-2026-41089	Windows Netlogon Remote Code Execution VulnerabilityWindows Netlogon	Critical	9.8	1.0%	Remote Code Execution
CVE-2026-40403	Windows Graphics Component Remote Code Execution VulnerabilityWindows Win32K - GRFX	Critical	8.8	0.3%	Remote Code Execution
CVE-2026-35421	Windows GDI Remote Code Execution VulnerabilityWindows GDI	Critical	7.8	0.5%	Remote Code Execution
CVE-2026-32161	Windows Native WiFi Miniport Driver Remote Code Execution VulnerabilityWindows Native WiFi Miniport Driver	Critical	7.5	0.3%	Remote Code Execution	Revised 15 May
CVE-2026-34329	Microsoft Message Queuing (MSMQ) Remote Code Execution VulnerabilityWindows Message Queuing	Important	8.8	0.5%	Remote Code Execution
CVE-2026-33834	Windows Event Logging Service Elevation of Privilege VulnerabilityWindows Event Logging Service	Important	7.8	0.3%	Elevation of Privilege
CVE-2026-33837	Windows TCP/IP Local Elevation of Privilege VulnerabilityWindows TCP/IP	Important	7.8	0.3%	Elevation of Privilege
CVE-2026-33838	Windows Message Queuing (MSMQ) Elevation of Privilege VulnerabilityWindows Message Queuing	Important	7.8	0.3%	Elevation of Privilege
CVE-2026-34330	Win32k Elevation of Privilege VulnerabilityWindows Win32K - GRFX	Important	7.8	0.3%	Elevation of Privilege
CVE-2026-34333	Windows Win32k Elevation of Privilege VulnerabilityWindows Win32K - GRFX	Important	7.8	0.3%	Elevation of Privilege

Showing the 10 most urgent of 42All 42 CVEs