Microsoft Monthly Updates - 20250115004¶
Overview¶
Microsoft has released security updates to address 159 vulnerabilities in multiple products. A Cyber threat actor could leverage some of these vulnerabilities to exploit the affected system.
What is vulnerable?¶
Critical Severity¶
| Product(s) Affected | CVE | CVSS | Severity |
|---|---|---|---|
| Windows NTLM | CVE-2025-21311 | 9.8 | Critical |
| Windows OLE | CVE-2025-21298 | 9.8 | Critical |
| Reliable Multicast Transport Driver (RMCAST) | CVE-2025-21307 | 9.8 | Critical |
Known Exploited¶
| Product(s) Affected | CVE | CVSS | Severity |
|---|---|---|---|
| Windows Hyper-V | CVE-2025-21333 | 7.8 | High |
| Windows Hyper-V | CVE-2025-21334 | 7.8 | High |
| Windows Hyper-V | CVE-2025-21335 | 7.8 | High |
What has been observed?¶
There is no evidence of exploitation affecting Western Australian Government networks at the time of publishing.
Recommendation¶
The WA SOC recommends administrators apply the solutions as per vendor instructions to all affected devices within expected timeframe of 48 hours... (refer Patch Management):
- Microsoft January 2025 Security Updates: https://msrc.microsoft.com/update-guide/releaseNote/2025-Jan
Change Log¶
- 2025-01-15: Initial Publication
- 2025-01-16: Added "Known Exploited" CVEs