CVE-2023-36802

Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability

Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability

Affected

Microsoft · Windows 10 Version 1809 · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows Server 2022 · Windows 11 version 21H2 · Windows 10 Version 21H2

CVSS v3.1 MICROSOFT

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

27.91% chance of exploitation in the next 30 days, 98th percentile

CISA KEV

added 2023-09-12

Published

2023-09-12

Updated

2025-10-30

Proof-of-concept exploits (6)

• 4zur-0312/CVE-2023-3680214★ · 2023-10-25
• Nero22k/cve-2023-36802110★ · 2023-10-26
• chompie1337/Windows_MSKSSRV_LPE_CVE-2023-36802163★ · 2023-10-10
• rahul0xkr/Reproducing-CVE-2023-368020★ · 2025-11-12
• x0rb3l/CVE-2023-36802-MSKSSRV-LPE35★ · 2023-10-24
• nhh9905/CVE-2023-368020★ · 2026-07-16

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36802

References

• CVE Record
• NVD entry

Related

• CVE-2021-4034
• CVE-2023-29360
• CVE-2025-41450
• CVE-2020-0796
• CVE-2020-1350
• CVE-2021-3490