Privilege escalation in Microsoft Windows Bluetooth Driver
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-35820 |
| CWE-ID | CWE-285 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper Authorization
EUVDB-ID: #VU66324
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-35820
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper authorization logic within the bthport.sys driver when accessing registry keys. A local user can execute arbitrary code with SYSTEM privileges.
Install updates from vendor's website.
Vulnerable software versionsWindows Server: 2003 - 2022 20H2
Windows: 7 - XP
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-35820
http://www.zerodayinitiative.com/advisories/ZDI-22-1068/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
