Vulnerability identifier: #VU56281

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-2021-36930

CWE-ID: CWE-20

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 implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trick the victim to open a specially crafted file and bypass implemented security restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 92.0.902.55 - 92.0.902.84, 91.0.864.37 - 91.0.864.71, 90.0.818.39 - 90.0.818.66, 89.0.774.45 - 89.0.774.77, 88.0.705.50 - 88.0.705.81, 87.0.664.41 - 87.0.664.75, 86.0.622.43 - 86.0.622.69, 84.0.522.40, 83.0.478.37, 79.0.309.71

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36930

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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.