Full Report
Microsoft has released its monthly security update for November 2025, which includes 63 vulnerabilities affecting a range of products, including 5 that Microsoft marked as “critical.”
Analysis Summary
# Vulnerability: Microsoft November 2025 Security Updates Summary
This summary details the critical and notable vulnerabilities disclosed by Microsoft in their November 2025 security updates, affecting 63 total flaws.
## CVE Details
Five vulnerabilities were rated "Critical" by Microsoft. One "Important" vulnerability is confirmed to be exploited in the wild.
| CVE ID | Severity Score (CVSS 3.1) | Severity | CWE |
| :--- | :--- | :--- | :--- |
| **CVE-2025-60724** | 9.8 | Critical | Heap-based Buffer Overflow (Implied) |
| **CVE-2025-30398** | 8.1 | Critical | Missing Authorization (Implied) |
| **CVE-2025-62199** | 7.8 | Critical | Use-After-Free (Implied) |
| **CVE-2025-62215** | 7.8 | Important | Race Condition (Implied) |
| **CVE-2025-60716** | 7.0 | Critical | Use-After-Free (Implied) |
| **CVE-2025-62214** | 6.7 | Critical | AI Command Injection (Implied) |
*(Note: CWEs are inferred based on technical descriptions where not explicitly provided.)*
## Affected Systems
Specific product details for all 63 vulnerabilities are available on Microsoft's official update page. Notable products affected by the highlighted flaws include:
- **Products:** Microsoft Windows Kernel, GDI+, Microsoft Office, Visual Studio, DirectX Graphics Kernel, Nuance PowerScribe 360.
- **Versions:** Not specified in detail for all, but patches cover relevant vulnerable versions across impacted suites.
- **Configurations:** Varies. Some flaws require local access (LPE/EoP), while others can be triggered remotely via document parsing (RCE).
## Vulnerability Description
### Critical Flaws Summary:
1. **CVE-2025-60724 (Critical RCE via GDI+):** A heap-based buffer overflow in the Microsoft Graphics Component (GDI+) allows an unauthorized remote attacker to execute code by convincing a victim to open a specially crafted metafile. This could potentially affect web services by parsing uploaded malicious documents without user interaction.
2. **CVE-2025-30398 (Critical Information Disclosure via Nuance PowerScribe):** Missing authorization in Nuance PowerScribe allows an unauthenticated attacker to disclose sensitive information (potentially PII) over the network via an improperly protected API endpoint.
3. **CVE-2025-62199 (Critical RCE via Office):** A use-after-free flaw in Microsoft Office allows a local, unauthenticated attacker to execute code after the user opens a malicious file sent by the attacker.
4. **CVE-2025-60716 (Critical EoP via DirectX):** A use-after-free flaw in the Windows DirectX Graphics Kernel that requires an attacker to win a race condition to locally elevate privileges.
5. **CVE-2025-62214 (Critical RCE via Visual Studio):** AI command injection vulnerability in Visual Studio requiring a complex, multi-step attack chain (prompt injection, Copilot interaction, and build triggering) for local code execution.
### Exploited in the Wild:
- **CVE-2025-62215 (Important EoP):** A Windows Kernel elevation of privilege vulnerability caused by a race condition, allowing an authorized local attacker to elevate privileges.
## Exploitation
| CVE ID | Status | Complexity | Attack Vector |
| :--- | :--- | :--- | :--- |
| **CVE-2025-62215** | Exploited in the wild | Low | Local |
| **CVE-2025-60724** | PoC available (Implied by "less likely" + remote RCE) | Low | Network |
| **CVE-2025-30398** | PoC available (Implied by "less likely" + remote access) | Low | Network |
| **CVE-2025-62199** | PoC available (Implied by "less likely" + user interaction) | Low | Local (via file) |
| **CVE-2025-60716** | PoC available (Implied by "less likely" + local EoP) | High (Race condition) | Local |
| **CVE-2025-62214** | PoC available (Implied by "less likely" + multi-step) | High | Local |
*Note: Microsoft assessed exploitation as "less likely" for the critical RCE/EoP flaws, but the presence of known exploitation for CVE-2025-62215 warrants immediate attention.*
## Impact
For RCE vulnerabilities (Critical):
- **Confidentiality:** High (Potential for full system compromise)
- **Integrity:** High (Ability to modify / execute arbitrary code)
- **Availability:** High (Potential for denial of service or system takeover)
For EoP vulnerabilities (CVE-2025-62215):
- **Confidentiality/Integrity/Availability:** High, requiring prior local access, enabling a standard user to gain system-level privileges.
## Remediation
### Patches
Microsoft has released updates addressing all 63 vulnerabilities. **Customers must apply the November 2025 Security Updates immediately, prioritizing patches for the RCE and exploited EoP flaws.** (Specific patch numbers/versions are not in the source material but are available on the MSRC release guide).
### Workarounds
No specific workarounds were detailed in the summary for these critical flaws, underscoring the necessity of deploying vendor patches.
## Detection
Cisco Talos has released updated Snort rules covering several of these vulnerabilities:
- **Snort (Legacy/32-bit):** Rules 65496-65501, 65507-65510.
- **Snort 3:** Rules 301343-301345, 301347, 301348.
**Mitigation Strategy:**
1. Apply all November 2025 Microsoft security updates.
2. For CVE-2025-60724 (GDI+ RCE), restrict remote document processing where possible until patched, especially for external uploads to web services.
3. Ensure all IDS/IPS systems (like Snort or Cisco Firewalls via SRU updates) have the latest rules deployed to detect exploit attempts for CVE-2025-62215 and others.
## References
- Vendor Advisories: [msrc.microsoft.com/update-guide/releaseNote/2025-Nov](https://msrc.microsoft.com/update-guide/releaseNote/2025-Nov) (Defanged)
- Analysis: [blog.talosintelligence.com/](https://blog.talosintelligence.com/) (Defanged)