.NET Elevation of Privilege Vulnerability
Priority LOW 38CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00496 42nd percentileScored 2026-11-07
Fix Fixed Microsoft Visual Studio 2022 version 17.14 (Microsoft): 17.14.40Microsoft Visual Studio 2026 version 18.9 (Microsoft): 18.9.3+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 to before 17.14.40 | 17.14.40 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2026 version 18.9 | 18.9.0 to before 18.9.3 | 18.9.3 | Patch available | CNA |
| Microsoft | Microsoft.Diagnostics.Runtime | 4.1.740301 to before 4.1.740301 | 4.1.740301 | Patch available | CNA |
- Microsoft Visual Studio 2022 version 17.14 VendorMicrosoft Affected 17.14.0 to before 17.14.40 Fixed in 17.14.40 Patch available CNA
- Microsoft Visual Studio 2026 version 18.9 VendorMicrosoft Affected 18.9.0 to before 18.9.3 Fixed in 18.9.3 Patch available CNA
- Microsoft.Diagnostics.Runtime VendorMicrosoft Affected 4.1.740301 to before 4.1.740301 Fixed in 4.1.740301 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:microsoft.diagnostics.runtime:*:*:*:*:*:*:*:* | before 4.1.740301 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* | 17.14.0 to before 17.14.40 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:* | 18.9.0 to before 18.9.3 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:microsoft.diagnostics.runtime:*:*:*:*:*:*:*:* Versions before 4.1.740301 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* Versions 17.14.0 to before 17.14.40 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:* Versions 18.9.0 to before 18.9.3 Vulnerable ·Microsoft
Remediation
- Fix · CNA Microsoft Visual Studio 2022 version 17.14 (Microsoft) Fixed in 17.14.40
- Fix · CNA Microsoft Visual Studio 2026 version 18.9 (Microsoft) Fixed in 18.9.3
- Fix · CNA Microsoft.Diagnostics.Runtime (Microsoft) Fixed in 4.1.740301
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Hardened Images
Timeline
- 2026-10-02 Threatist record created from CVE-2026-69805
- 2026-10-03 Alias added: GHSA-4pxg-8538-m58j
- 2026-10-20 Affected versions changed · Red Hat
- 2026-10-20 CVSS score added · Red Hat
References
Sources
- CVE-2026-69805 · CVE Program
- CVE-2026-69805 · NVD
- FIRST EPSS
- GHSA-4pxg-8538-m58j · GitHub Advisory Database · CC BY 4.0
- CVE-2026-69805 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences