Vulnerability identifier: #VU55716
Vulnerability 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:
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Microsoft Malware Protection Engine
Client/Desktop applications /
Antivirus software/Personal firewalls
Vendor: Microsoft
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft Malware Protection Engine: All versions
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34471
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.