Vulnerability identifier: #VU23504

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1488

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local user to bypass security features on the target system.

The vulnerability exists due to the Microsoft Defender improperly handles specific buffers. A local user can trigger warnings and false positives when no threat is present.

To exploit the vulnerability, an attacker would first require execution permissions on the victim system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 10 1903, 7, 8.1 - 8.1 RT

Windows Server: 2008 - 2019 1903

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1488

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Q & A

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.