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kasperskyKaspersky LabKLA20103
HistoryNov 28, 2022 - 12:00 a.m.

KLA20103 DoS vulnerability in Microsoft Browser

2022-11-2800:00:00
Kaspersky Lab
threats.kaspersky.com
18
dos vulnerability
microsoft browser
heap buffer overflow
microsoft edge

CVSS3

9.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.025

Percentile

90.4%

Heap buffer overflow vulnerability was found in Microsoft Browser. Malicious users can exploit this vulnerability to cause denial of service.

Original advisories

CVE-2022-4135

Related products

Microsoft-Edge

CVE list

CVE-2022-4135 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

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

Affected Products

  • Microsoft Edge (Chromium-based)

CVSS3

9.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.025

Percentile

90.4%