Windows Layer-2 Bridge Network Driver Information Disclosure Vulnerability
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Windows Layer-2 Bridge Network Driver Information Disclosure Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00655 51st percentileScored 2026-11-07
Fix Fixed Microsoft: 5 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | Windows 10 Version 1809 | 10.0.17763.0 to before 10.0.17763.4645 | 10.0.17763.4645 | Patch available | CNA |
| Microsoft | Windows 10 Version 1809 | 10.0.0 to before 10.0.17763.4645 | 10.0.17763.4645 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before 10.0.17763.4645 | 10.0.17763.4645 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.4645 | 10.0.17763.4645 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.1850 | 10.0.20348.1850 | Patch available | CNA |
| Microsoft | Windows 11 version 21H2 | 10.0.0 to before 10.0.22000.2176 | 10.0.22000.2176 | Patch available | CNA |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 to before 10.0.19044.3208 | 10.0.19044.3208 | Patch available | CNA |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.1992 | 10.0.22621.1992 | Patch available | CNA |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 to before 10.0.19045.3208 | 10.0.19045.3208 | Patch available | CNA |
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4645 Fixed in 10.0.17763.4645 Patch available CNA
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.4645 Fixed in 10.0.17763.4645 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4645 Fixed in 10.0.17763.4645 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4645 Fixed in 10.0.17763.4645 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.1850 Fixed in 10.0.20348.1850 Patch available CNA
- Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.2176 Fixed in 10.0.22000.2176 Patch available CNA
- Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19044.3208 Fixed in 10.0.19044.3208 Patch available CNA
- Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.1992 Fixed in 10.0.22621.1992 Patch available CNA
- Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.3208 Fixed in 10.0.19045.3208 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* | before 10.0.17763.4645 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* | before 10.0.19041.3208 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* | before 10.0.19045.3208 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* | before 10.0.22000.2176 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* | before 10.0.22621.1992 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* Versions before 10.0.17763.4645 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions before 10.0.19041.3208 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* Versions before 10.0.19045.3208 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.2176 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.1992 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Remediation
Microsoft 5 updates
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.1992
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.1992
- Security Update
- Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2176
- Windows 11 version 21H2 for x64-based Systems 10.0.22000.2176
- Security Update
- Windows Server 2022 10.0.20348.1850
- Windows Server 2022 (Server Core installation) 10.0.20348.1850
Show 2 more Microsoft updates
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.4645
- Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.4645
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.4645
- Windows Server 2019 10.0.17763.4645
- Windows Server 2019 (Server Core installation) 10.0.17763.4645
- Security Update
- Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.3208
- Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.3208
- Windows 10 Version 21H2 for x64-based Systems 10.0.19044.3208
- Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.3208
- Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.3208
- Windows 10 Version 22H2 for x64-based Systems 10.0.19045.3208
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Information Disclosure
- Exploited
- No
- Publicly disclosed
- —
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32037
- 2026-10-03 Alias added: GHSA-j68p-v78v-2jh4
- 2026-10-13 EPSS moved to the 50th–90th percentile
More Microsoft Windows 10 1809 vulnerabilities
- TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-73128 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2026-17367 MSHTML Framework Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2026-17364 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2023-32037 · CVE Program
- CVE-2023-32037 · NVD
- FIRST EPSS
- GHSA-j68p-v78v-2jh4 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-32037 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences