Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
Priority CRITICAL 93Exploited in the wildCWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
Why it matters now
Exploitation Active In CISA KEV since 2023-09-12CISA due date 2023-10-03
EPSS 0.27909 98th percentileScored 2026-11-07
Fix Fixed Microsoft: 6 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- 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 | Windows 10 Version 1809 | 10.0.17763.0 to before 10.0.17763.4851 | 10.0.17763.4851 | Patch available | CNA |
| Microsoft | Windows 10 Version 1809 | 10.0.0 to before 10.0.17763.4851 | 10.0.17763.4851 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before 10.0.17763.4851 | 10.0.17763.4851 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.4851 | 10.0.17763.4851 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.1970 | 10.0.20348.1970 | Patch available | CNA |
| Microsoft | Windows 11 version 21H2 | 10.0.0 to before 10.0.22000.2416 | 10.0.22000.2416 | Patch available | CNA |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 to before 10.0.19044.3448 | 10.0.19044.3448 | Patch available | CNA |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.2283 | 10.0.22621.2283 | Patch available | CNA |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 to before 10.0.19045.3448 | 10.0.19045.3448 | Patch available | CNA |
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4851 Fixed in 10.0.17763.4851 Patch available CNA
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.4851 Fixed in 10.0.17763.4851 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4851 Fixed in 10.0.17763.4851 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4851 Fixed in 10.0.17763.4851 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.1970 Fixed in 10.0.20348.1970 Patch available CNA
- Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.2416 Fixed in 10.0.22000.2416 Patch available CNA
- Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19044.3448 Fixed in 10.0.19044.3448 Patch available CNA
- Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.2283 Fixed in 10.0.22621.2283 Patch available CNA
- Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.3448 Fixed in 10.0.19045.3448 Patch available CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:* | before 10.0.17763.4851 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* | before 10.0.17763.4851 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* | before 10.0.17763.4851 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* | before 10.0.19044.3448 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* | before 10.0.19045.3448 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* | before 10.0.22000.2416 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* | before 10.0.22621.2275 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* | before 10.0.17763.4851 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | before 10.0.20348.1970 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:* Versions before 10.0.17763.4851 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* Versions before 10.0.17763.4851 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* Versions before 10.0.17763.4851 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions before 10.0.19044.3448 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* Versions before 10.0.19045.3448 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.2416 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.2275 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.4851 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.1970 Vulnerable ·Microsoft
Remediation
Microsoft 6 updates
- AzureHotpatch
- Windows Server 2022 10.0.20348.1964
- Windows Server 2022 (Server Core installation) 10.0.20348.1964
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.2283
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.2283
- Security Update
- Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2416
- Windows 11 version 21H2 for x64-based Systems 10.0.22000.2416
Show 3 more Microsoft updates
- Security Update
- Windows Server 2022 10.0.20348.1970
- Windows Server 2022 (Server Core installation) 10.0.20348.1970
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.4851
- Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.4851
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.4851
- Windows Server 2019 10.0.17763.4851
- Windows Server 2019 (Server Core installation) 10.0.17763.4851
- Security Update
- Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.3448
- Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.3448
- Windows 10 Version 21H2 for x64-based Systems 10.0.19044.3448
- Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.3448
- Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.3448
- Windows 10 Version 22H2 for x64-based Systems 10.0.19045.3448
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- Yes
- Publicly disclosed
- No
- Exploitability
- Exploitation Detected
Timeline
- 2023-09-12 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2023-36802
- 2026-10-03 Alias added: GHSA-4v34-9x49-p452
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-2023-36802 · CVE Program
- CVE-2023-36802 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-4v34-9x49-p452 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-36802 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences