Vulnerability identifier: #VU80652

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-36805

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system
Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in Windows MSHTML. A remote attacker can trick the victim to open a specially crafted website or an HTML file and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1809 10.0.17763.1, 11 21H2 10.0.22000.194, 10 1607 10.0.14393.10, 11 22H2 10.0.22621.521, 10 22H2 10.0.19045.2130, 10 21H2 10.0.19044.1288, 10 21H1 10.0.19043.985, 10 1507 10.0.10240.16405, 10 20H2 10.0.19042.572, 10 2004 10.0.19041.264, 10 1909 10.0.18363.476, 10 1903 10.0.18362.116, 10 1803 10.0.17134.48, 10 1709 10.0.16299.19, 10 1703 10.0.15063.138, 10 1511 10.0.10586.3

Windows Server: 2012 R2 - 2022 20H2

Microsoft Internet Explorer: 11 - 11.1790.17763.0

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36805
http://www.zerodayinitiative.com/advisories/ZDI-23-1446/

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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.