Vulnerability identifier: #VU75771

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-29350

CWE-ID: CWE-416

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling HTML content. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 112.0.1722.34 - 112.0.1722.68, 109.0.1343.27 - 109.0.1518.100, 111.0.1661.41 - 111.0.1661.62, 110.0.1587.41 - 110.0.1587.78, 108.0.1293.81 - 108.0.1462.95, 106.0.1370.34 - 106.0.1370.86, 107.0.1418.24 - 107.0.1418.62, 105.0.1343.25 - 105.0.1343.53, 104.0.1293.47 - 104.0.1293.91, 103.0.1264.37 - 103.0.1264.77, 102.0.1245.30 - 102.0.1245.62, 101.0.1210.32 - 101.0.1210.53, 100.0.1185.29 - 100.0.1185.60, 98.0.1108.43 - 98.0.1108.92, 99.0.1150.30 - 99.0.1150.55, 97.0.1072.55 - 97.0.1072.76, 96.0.1054.29 - 96.0.1054.75, 95.0.1020.30 - 95.0.1020.53, 94.0.992.31 - 94.0.992.58, 79.0.309.71 - 79.0.3945.130, 93.0.961.38 - 93.0.961.52, 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

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External links
http://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29350

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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.