Vulnerability identifier: #VU18767

Vulnerability risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1054

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Edge
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists in Microsoft Edge due to the browser fails to set Mark of the Web Tagging (MOTW). Such browser behavior leads to possibility to bypass a large number of Microsoft security technologies.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge:

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1054

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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.