#VU66148 Buffer overflow in Microsoft Edge - CVE-2022-33636

Vulnerability identifier: #VU66148

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-33636

CWE-ID: CWE-119

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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 79.0.3945.130, 83.0.478.37, 84.0.522.40, 86.0.622.43 - 86.0.622.69, 87.0.664.41 - 87.0.664.75, 88.0.705.50 - 88.0.705.81, 89.0.774.45 - 89.0.774.77, 90.0.818.39 - 90.0.818.66, 91.0.864.37 - 91.0.864.71, 92.0.902.55 - 92.0.902.84, 93.0.961.38 - 93.0.961.52, 94.0.992.31 - 94.0.992.58, 95.0.1020.30 - 95.0.1020.53, 96.0.1054.29 - 96.0.1054.75, 97.0.1072.55 - 97.0.1072.76, 98.0.1108.43 - 98.0.1108.92, 99.0.1150.30 - 99.0.1150.55, 100.0.1185.29 - 100.0.1185.60, 101.0.1210.32 - 101.0.1210.53, 102.0.1245.30 - 102.0.1245.62, 103.0.1264.37 - 103.0.1264.77

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-33636

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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.