Elevation of Privilege in Windows Bluetooth Service by Microsoft
CVE-2025-53802

7HIGH

Key Information:

Vendor

Microsoft
Status
Windows Server 2022
Windows 10 Version 21h2
Windows 11 Version 22h2
Windows 10 Version 22h2
Vendor
CVE Published:
9 September 2025

What is CVE-2025-53802?

A use-after-free vulnerability exists in the Windows Bluetooth Service, which an authorized attacker could exploit to elevate their privileges locally. By accessing the system memory incorrectly, this flaw could potentially enable the attacker to gain unauthorized access to sensitive information or perform actions at a higher privilege level than intended. This underscores the importance of timely updates and vigilance in securing Windows systems.

Affected Version(s)

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.6332

Windows 10 Version 22H2 x64-based Systems 10.0.19045.0 < 10.0.19045.6332

Windows 11 version 22H2 ARM64-based Systems 10.0.22621.0 < 10.0.22621.5909

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.