Microsoft Streaming Service Proxy Privilege Escalation Vulnerability

Added to KEV
2023-09-12
Federal due date
2023-10-03
Vendor
Microsoft
Product
Streaming Service Proxy
EPSS
98.9th percentile (score 0.754, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2023-36802

CISA short description

Microsoft Streaming Service Proxy contains an unspecified vulnerability that allows for privilege escalation.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.