SB2021101245 - Privilege escalation in Microsoft Windows Nearby Sharing
Published: October 12, 2021
Security Bulletin ID
SB2021101245
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-40464)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote authenticated attacker on the local network to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Windows Nearby Sharing, which leads to security restrictions bypass and privilege escalation.
Remediation
Install update from vendor's website.