Multiple Microsoft Windows Products Vulnerabilities

July 28, 2025

Severity

Medium

Analysis Summary

CVE-2025-49686 CVSS:7.8

Null pointer dereference in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2025-49659 CVSS:7.8

Buffer over-read in Windows TDX.sys allows an authorized attacker to elevate privileges locally.

CVE-2025-49658 CVSS:5.5

Out-of-bounds read in Windows TDX.sys allows an authorized attacker to disclose information locally.

CVE-2025-48819 CVSS:7.1

Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2025-48821 CVSS:7.1

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2025-48799 CVSS:7.8

Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.

CVE-2025-49664 CVSS:5.5

Exposure of sensitive information to an unauthorized actor in Windows User-Mode Driver Framework Host allows an authorized attacker to disclose information locally.

Impact

Information Disclosure
Privilege Escalation

Indicators of Compromise

CVE

CVE-2025-49686
CVE-2025-49659
CVE-2025-49658
CVE-2025-48819
CVE-2025-48821
CVE-2025-48799
CVE-2025-49664

Affected Vendors

Microsoft

Affected Products

Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows 10 for 32-bit Systems
Microsoft Windows 10 for x64-based Systems
Microsoft Windows 10 Version 1607 for 32-bit Systems
Microsoft Windows 10 Version 1607 for x64-based Systems
Microsoft Windows 10 Version 1809 for 32-bit Systems
Microsoft Windows 10 Version 1809 for x64-based Systems
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2022
Microsoft Windows Server 2019 (Server Core installation)
Microsoft Windows Server 2022 (Server Core installation)
Microsoft Windows Server 2008 for 32-bit Systems Service Pack 2
Microsoft Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Microsoft Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Microsoft Windows Server 2008 R2 for x64-based Systems Service Pack 1
Microsoft Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Microsoft Windows Server 2012 (Server Core installation)
Microsoft Windows Server 2012 R2 (Server Core installation)
Microsoft Windows Server 2016 (Server Core installation)
Microsoft Windows Server 2025
Microsoft Windows 11 Version 24H2 for x64-based Systems
Microsoft Windows 11 Version 24H2 for ARM64-based Systems
Microsoft Windows 11 Version 23H2 for x64-based Systems
Microsoft Windows 11 Version 23H2 for ARM64-based Systems
Microsoft Windows Server 2025 (Server Core installation)
Microsoft Windows 10 Version 22H2 for x64-based Systems
Microsoft Windows 11 Version 22H2 for x64-based Systems
Microsoft Windows 11 Version 22H2 for ARM64-based Systems
Microsoft Windows 10 Version 21H2 for x64-based Systems
Microsoft Windows 10 Version 22H2 for 32-bit Systems
Microsoft Windows 10 Version 22H2 for ARM64-based Systems
Microsoft Windows 10 Version 21H2 for ARM64-based Systems
Microsoft Windows 10 Version 21H2 for 32-bit Systems
Microsoft Windows Server 2022 23H2 Edition (Server Core installation)