SB2025070981 - Multiple vulnerabilities in Microsoft Windows Universal Plug and Play (UPnP) Device Host

Description

This security bulletin contains information about 2 vulnerabilities.

1) Sensitive Data Storage in Improperly Locked Memory (CVE-ID: CVE-2025-48819)

CWE-ID: CWE-591 - Sensitive Data Storage in Improperly Locked Memory

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host. A remote user on the local network can win a race condition and gain elevated privileges on the target system.

2) Use-after-free (CVE-ID: CVE-2025-48821)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Windows Universal Plug and Play (UPnP) Device Host. A remote user on the local network can win a race condition and gain elevated privileges on the target system.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48819
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48821