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kasperskyKaspersky LabKLA12579
HistoryJul 06, 2022 - 12:00 a.m.

KLA12579 Multiple vulnerabilities in Microsoft Browser

2022-07-0600:00:00
Kaspersky Lab
threats.kaspersky.com
37
microsoft browser
vulnerabilities
exploit
webrtc
v8
malware
microsoft edge

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.4

Confidence

High

EPSS

0.013

Percentile

86.1%

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service.

Below is a complete list of vulnerabilities:

  1. Heap buffer overflow vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
  2. Type Confusion vulnerability in V8 can be exploited to cause denial of service.

Original advisories

CVE-2022-2294

CVE-2022-2295

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Edge

CVE list

CVE-2022-2295 critical

CVE-2022-2294 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

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

  • 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

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.4

Confidence

High

EPSS

0.013

Percentile

86.1%