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OpenAdvisories
Medium MSRC-CVE-2023-36735 1 CVE

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Published Sep 12, 2023 · Updated Sep 15, 2023

Summary

Impact: Elevation of Privilege. Microsoft rating: Moderate. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file that is designed to exploit the vulnerability. However, an attacker would have no way to force the user to visit the website. Instead, an attacker would have to convince the user to click a link, typically by way of an enticement in an email or Instant Messenger message, and then convince the user to open the specially crafted file.

Why is the severity for this CVE rated as Moderate, but the CVSS score is higher than normal?
Per our severity guidelines, the amount of user interaction or preconditions required to allow this sort of exploitation downgraded the severity, specifically it says, "If a bug requires more than a click, a key press, or several preconditions, the severity will be downgraded". The CVSS scoring system doesn't allow for this type of nuance.

What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could allow the attacker to gain the privileges needed to perform code execution.

What is the version information for this release?
Stable: Stable, 117.0.2045.31: 117.0.2045.31, 117.0.5938.62/.63: 117.0.5938.62/.63, 9/15/2023: 9/15/2023

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.

Security updates
117.0.2045.31 — https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security

Vulnerabilities 1

Revision history

  1. #1

    Information published.

References