Back to board Open MSRC
MSRC compact vulnerability detail

CVE-2025-27471 · Microsoft Streaming Service Denial of Service Vulnerability

Sensitive data storage in improperly locked memory in Microsoft Streaming Service allows an unauthorized attacker to deny service over a network.

Severity
Important
Impact
Denial of Service
CVSS
5.9 base · 5.2 temporal
Release
2025-04-08
Signals
Microsoft Streaming Service Denial of Service Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-591: Sensitive Data Storage in Improperly Locked Memory
Patch Diff
Loading module diff metadata...
Resolved binary override
Use this when the MSRC module name cannot be mapped automatically or the resolved binary looks wrong.
Old version New version
Description
Sensitive data storage in improperly locked memory in Microsoft Streaming Service allows an unauthorized attacker to deny service over a network.
FAQ / Articles
FAQ
Are the updates for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems currently available? Yes. As of April 9, 2025, the security update (5055547) for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems are available. Customers running Windows 10 should ensure the update is installed to be protected from this vulnerability.
Microsoft Streaming Service Denial of Service Vulnerability
Sensitive data storage in improperly locked memory in Microsoft Streaming Service allows an unauthorized attacker to deny service over a network.