CVE-2023-36802
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
- Record
CVE-2023-36802- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2023-40740
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
- Record
EUVD-2023-40740- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4v34-9x49-p452
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
- Record
GHSA-4v34-9x49-p452- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
CISA KEV No score
Microsoft Streaming Service Proxy Privilege Escalation Vulnerability
Microsoft Streaming Service Proxy contains an unspecified vulnerability that allows for privilege escalation.
- Record
CVE-2023-36802- Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
- Record
CVE-2023-36802- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
- microsoft streaming service proxy
- microsoft windows 10 version 1809
- microsoft windows 10 version 21h2
- microsoft windows 10 version 22h2
- microsoft windows 11 version 21h2
- microsoft windows 11 version 22h2
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows 10 1809
- microsoft windows 10 21h2
- microsoft windows 10 22h2
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Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | chompie1337/Windows_MSKSSRV_LPE_CVE-2023-36802 | 2023-10-09 |
| PoC in GitHub | 4zur-0312/CVE-2023-36802 | 2023-10-19 |
| PoC in GitHub | x0rb3l/CVE-2023-36802-MSKSSRV-LPE | 2023-10-20 |
| PoC in GitHub | Nero22k/cve-2023-36802 | 2023-10-23 |
| PoC in GitHub | rahul0xkr/Reproducing-CVE-2023-36802 | 2025-09-26 |
| PoC in GitHub | nhh9905/CVE-2023-36802 | 2026-07-15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-36802 is a high vulnerability (CVSS 7.8) in Microsoft Streaming Service Proxy, published September 12, 2023. CISA lists it as known to be exploited, since September 12, 2023. EUVD reports exploitation since September 12, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 27.9%, the 98th percentile. No source names a fixed version.