CVE-2023-33143: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:H/E:U/RL:O/RC:C
Category
Edge - Chromium
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2023-Jun
Released
2023-06-02
EPSS Score
0.17% (percentile: 38.3%)

FAQ

What is the version information for this release? Microsoft Edge Version Date Released Based on Chromium Version 114.0.1823.37 6/2/2023 114.0.5735.90/91 According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? This vulnerability could lead to a browser sandbox escape. What privileges could be gained by an attacker who successfully exploited the vulnerability? The attacker would gain the rights of the user that is running the affected application. According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? Exploitation of the vulnerability requires that a user open a specially crafted file. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file. According to the CVSS metric, successful exploitation of this vulnerability could lead to loss of availability (A:H)? What does that mean for this vulnerability? Successful exploitation of this vulnerability requires the user to click on a malicious URL or an embedded link in an email message which could lead to denial of service (DOS) or the Browser to crash. According to the CVSS metric, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L)? What does that mean for this vulnerability? Information in the victim's browser associated with the vulnerable URL can be read b

Affected Products (1)

Browser

  • Microsoft Edge (Chromium-based)

Acknowledgments

Anonymous

Revision History

  • 2023-06-02: Information published.