Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-40464
Published: October 12, 2021
Vulnerability identifier: #VU57305
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2021-40464
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
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.
How to mitigate CVE-2021-40464
Install updates from vendor's website.