Microsoft · Security update · January 14, 2025
KB5050049: January 2025 security update
KB5050049, released January 14, 2025, fixes 78 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.
UrgentUnsupported product
CVEs closed
78
6 rated Critical
Exploited
0
None reported
Exploitation more likely
7
Microsoft's assessment
Highest EPSS
0.7437
99th percentile
Priority of the 78 CVEs
Patch now 0
Urgent 12
High 40
Routine 26
Applies to
| Product |
|---|
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2025-21298 | Windows OLE | Remote Code Execution | 9.8 | 0.7437 | More likely |
| Urgent | CVE-2025-21269 | Windows MapUrlToZone | Security Feature Bypass | 4.3 | 0.0450 | More likely |
| Urgent | CVE-2025-21189 | Windows MapUrlToZone | Security Feature Bypass | 4.3 | 0.0291 | 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-2025-21294 | 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-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-2025-21230 | 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-2025-21300 | Windows UPnP Device Host | Denial of Service | 7.5 | 0.0257 | Exploitation Less Likely |
| High | CVE-2025-21276 | Windows MapUrlToZone | Denial of Service | 7.5 | 0.0246 | Exploitation Less Likely |
| High | CVE-2025-21270 | Windows Message Queuing | Denial of Service | 7.5 | 0.0243 | Exploitation Less Likely |
| High | CVE-2025-21289 | Windows Message Queuing | Denial of Service | 7.5 | 0.0243 | Exploitation Less Likely |
| High | CVE-2025-21290 | Windows Message Queuing | Denial of Service | 7.5 | 0.0243 | Exploitation Less Likely |
| High | CVE-2025-21220 | Windows Message Queuing | Information Disclosure | 7.5 | 0.0211 | Exploitation Less Likely |
| High | CVE-2025-21389 | Windows UPnP Device Host | Denial of Service | 7.5 | 0.0197 | Exploitation Less Likely |
| High | CVE-2025-21233 | Windows Telephony Service | Remote Code Execution | 8.8 | 0.0171 | Exploitation Less Likely |
Showing 1 to 25 of 78
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