Permissions, Privileges, and Access Controls in Microsoft Malware Protection Engine - CVE-2021-34471
Published: August 10, 2021
Vulnerability identifier: #VU55716
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/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-2021-34471
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Malware Protection Engine
Microsoft Malware Protection Engine
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the Microsoft Windows Defender, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2021-34471
Install updates from vendor's website.