#VU75143 Security features bypass in Microsoft Malware Protection Engine and Windows Defender


Published: 2023-04-15

Vulnerability identifier: #VU75143

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-24934

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Malware Protection Engine
Client/Desktop applications / Antivirus software/Personal firewalls
Windows Defender
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor:

Description

The vulnerability allows a remote attacker to bypass malware detection mechanism.

The vulnerability exists due to an unspecified error in Microsoft malware protection engine. A remote attacker can trick the victim to download a malicious file that bypasses the Windows Defender detection.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24934


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability