Microsoft · Security update · January 14, 2025

KB5050008: January 2025 cumulative update for Windows 10 1809

KB5050008, released January 14, 2025, fixes 118 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent1 publicly disclosed
CVEs closed
118
8 rated Critical
Exploited
0
None reported
Exploitation more likely
12
Vendor assessment
Highest EPSS
0.7437
99th percentile

Priority of the 118 CVEs

Patch now 0 Urgent 18 High 53 Routine 47

Applies to

ProductBuild after install
Windows 10 Version 1809 for 32-bit Systems17763.6775
Windows 10 Version 1809 for x64-based Systems17763.6775
Windows Server 201917763.6775
Windows Server 2019 (Server Core installation)17763.6775

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2025-21298 Windows OLE Remote Code Execution 9.8 0.7437 More likely
Urgent CVE-2025-21309 Windows Remote Desktop Services Remote Code Execution 8.1 0.1506 More likely
Urgent CVE-2025-21269 Windows MapUrlToZone Security Feature Bypass 4.3 0.0450 More likely
Urgent CVE-2025-21219 Windows MapUrlToZone Security Feature Bypass 4.3 0.0295 More likely
Urgent CVE-2025-21189 Windows MapUrlToZone Security Feature Bypass 4.3 0.0291 More likely
Urgent CVE-2025-21299 Windows Kerberos Security Feature Bypass 7.1 0.0223 More likely
Urgent CVE-2025-21268 Windows MapUrlToZone Security Feature Bypass 4.3 0.0195 More likely
Urgent CVE-2025-21307 Reliable Multicast Transport Driver (RMCAST) Remote Code Execution 9.8 0.0194 Exploitation Less Likely
Urgent CVE-2025-21295 Windows SPNEGO Extended Negotiation Remote Code Execution 8.1 0.0163 Exploitation Less Likely
Urgent CVE-2025-21328 Windows MapUrlToZone Security Feature Bypass 4.3 0.0149 More likely
Urgent CVE-2025-21329 Windows MapUrlToZone Security Feature Bypass 4.3 0.0149 More likely
Urgent CVE-2025-21297 Windows Remote Desktop Services Remote Code Execution 8.1 0.0146 Exploitation Less Likely
Urgent CVE-2025-21314 Windows SmartScreen Spoofing 6.5 0.0139 More likely
Urgent CVE-2025-21294 Microsoft Digest Authentication Remote Code Execution 8.1 0.0123 Exploitation Less Likely
Urgent CVE-2025-21210 Windows Virtual Trusted Platform Module Information Disclosure 4.2 0.0112 More likely
Urgent CVE-2024-49120 Windows Remote Desktop Services Remote Code Execution 8.1 0.0110 Exploitation Less Likely
Urgent CVE-2025-21292 Microsoft Windows Search Component Elevation of Privilege 8.8 0.0083 More likely
Urgent CVE-2025-21296 BranchCache Remote Code Execution 7.5 0.0079 Exploitation Less Likely
High CVE-2025-21285 Windows Message Queuing Denial of Service 7.5 0.5616 Exploitation Less Likely
High CVE-2025-21277 Windows Message Queuing Denial of Service 7.5 0.3906 Exploitation Less Likely
High CVE-2025-21293 Active Directory Domain Services Elevation of Privilege 8.8 0.1499 Exploitation Less Likely
High CVE-2025-21230 Windows Message Queuing Denial of Service 7.5 0.0272 Exploitation Less Likely
High CVE-2025-21231 IP Helper Denial of Service 7.5 0.0263 Exploitation Less Likely
High CVE-2025-21251 Windows Message Queuing Denial of Service 7.5 0.0263 Exploitation Less Likely
High CVE-2025-21218 Windows Kerberos Denial of Service 7.5 0.0263 Exploitation Less Likely
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