VDB

CVE-2025-59514

CVE-2025-59514 PUBLISHED CVSS 7.8 HIGH

Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability

Reported by microsoft · Published November 11, 2025

Improper privilege management in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
Windows 11 Version 23H2Microsoft10.0.22631.6199
Windows Server 2012 R2Microsoft6.3.9600.22869
windows_server_2022_23h2microsoft10.0.25398.1965

Risk scores

CVSS 3.1
7.8
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

Affected products

VendorProductVersions
MicrosoftWindows 10 Version 160710.0.14393.0
MicrosoftWindows 10 Version 180910.0.17763.0
MicrosoftWindows 10 Version 21H210.0.19044.0
MicrosoftWindows 10 Version 22H210.0.19045.0
MicrosoftWindows 11 version 22H310.0.22631.0
MicrosoftWindows 11 Version 23H210.0.22631.0
MicrosoftWindows 11 Version 24H210.0.26100.0
MicrosoftWindows 11 Version 25H210.0.26200.0
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0
MicrosoftWindows Server 20126.2.9200.0
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0
MicrosoftWindows Server 2012 R26.3.9600.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0
MicrosoftWindows Server 201610.0.14393.0
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0
MicrosoftWindows Server 201910.0.17763.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0

…and 44 more

Timeline

  • Nov 11, 2025 CVE Published
  • Nov 11, 2025 PoC Published (2 in total, the first dated here)
  • Nov 12, 2025 EPSS Score (30 in total, the first dated here)
  • Mar 11, 2026 Security Advisory (44 in total, the first dated here)
  • Mar 26, 2026 Coalition ESS Score (2 in total, the first dated here)
  • Jun 17, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2025-59514
vulnetix vdb fixes CVE-2025-59514

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2025-59514/fixes/registry"

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References

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