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)
Remediation
Refer to Microsoft Website for patch, upgrade, or suggested workaround information.