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Kaspersky LabKLA12195

HistoryJun 04, 2021 - 12:00 a.m.

KLA12195 PE vulnerability in Microsoft Browser

2021-06-0400:00:00

Kaspersky Lab

threats.kaspersky.com

microsoft browser

privilege escalation

cve-2021-33741

microsoft edge

elevation of privilege

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS3

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

Confidence

High

EPSS

0.003

Percentile

70.6%

JSON

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

Original advisories

CVE-2021-33741

Related products

Microsoft-Edge

CVE list

CVE-2021-33741 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.