Multiple vulnerabilities in Microsoft Edge

Published: 2024-02-29

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-1938 CVE-2024-1939
CWE-ID	CWE-843
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Microsoft Edge Client/Desktop applications / Web browsers
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Type Confusion

EUVDB-ID: #VU86857

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-2024-1938

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the V8 engine. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a type confusion error 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 Microsoft website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 122.0.2365.59

External links

http://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2024-1938

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Type Confusion

EUVDB-ID: #VU86858