Summarizing from https://msrc.microsoft.com/update-guide/releaseNote/2025-Feb with Generative AI: DeepSeek.
Summary of February 2025 Security Updates#
Microsoft released 63 CVEs (Common Vulnerabilities and Exposures) in February 2025, addressing vulnerabilities across various products and services. Below is a summary and key metrics derived from the release notes:
Key Metrics#
- Total CVEs: 63
- CVSS Score Distribution:
| Severity | CVE Count |
|---|---|
| Critical (9.0-10.0) | 1 |
| High (7.0-8.9) | 47 |
| Medium (4.0-6.9) | 14 |
| Low (0.1-3.9) | 1 |
Exploitation Likelihood:
- Exploitation Less Likely: 51 CVEs
- Exploitation More Likely: 9 CVEs
- Exploitation Detected: 2 CVEs
- Exploitation Unlikely: 1 CVE
Mitigations Available:
- No mitigations for any CVEs.
Workarounds Available:
- No workarounds for any CVEs.
FAQs Available:
- Yes: 62 CVEs
- No: 1 CVE
Top Vulnerabilities by CVSS Score#
CVE-2025-21198 (CVSS 9.0):
- Product: Microsoft High Performance Compute Pack (HPC) Linux Node Agent
- Description: A critical vulnerability allowing remote code execution with high impact on confidentiality, integrity, and availability.
- Exploitation: Less Likely
CVE-2025-21391 (CVSS 7.1):
- Product: Windows Storage
- Description: A high-severity vulnerability with exploitation detected.
- Impact: Integrity and availability compromise.
CVE-2025-21418 (CVSS 7.8):
- Product: Windows Ancillary Function Driver for WinSock
- Description: A high-severity vulnerability with exploitation detected.
- Impact: Remote code execution.
Product Breakdown#
- Windows Telephony Service: 8 CVEs (e.g., CVE-2025-21190, CVE-2025-21406)
- Microsoft Edge (Chromium-based): 7 CVEs (e.g., CVE-2025-21408, CVE-2025-21404)
- Windows Internet Connection Sharing (ICS): 4 CVEs (e.g., CVE-2025-21212, CVE-2025-21352)
- Microsoft Office Excel: 6 CVEs (e.g., CVE-2025-21381, CVE-2025-21394)
- Windows Message Queuing: 3 CVEs (e.g., CVE-2025-21181)
Additional Notes#
- Non-Microsoft CVEs: 4 CVEs related to Chromium-based Microsoft Edge and open-source software were republished.
- Exploitation Detected: 2 CVEs (CVE-2025-21391, CVE-2025-21418) require immediate patching.
- High-Risk Components: Windows Telephony Service and Microsoft Edge had the most vulnerabilities.
Recommendations#
- Prioritize Patching: Focus on critical and high-severity vulnerabilities, especially those with exploitation detected (e.g., CVE-2025-21391, CVE-2025-21418).
- Monitor High-Risk Products: Pay attention to Windows Telephony Service, Microsoft Edge, and Office Excel updates.
- Review FAQs: Utilize Microsoft’s FAQs for guidance on 62/63 CVEs.
This summary provides a high-level overview of the February 2025 security updates.