KLA20170 PE vulnerability in Microsoft Browser

2023-01-1700:00:00

Kaspersky Lab

threats.kaspersky.com

microsoft browser

privilege escalation

microsoft edge

malicious users

vulnerability

update.

8.3 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

8.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.9%

JSON

Elevation of privilege vulnerability was found in Microsoft Browser. Malicious users can exploit this vulnerability to gain privileges.

Original advisories

CVE-2023-21795

Related products

Microsoft-Edge

CVE list

CVE-2023-21795 critical

KB list

Solution

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)

Microsoft Edge update settings

Impacts

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.