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kasperskyKaspersky LabKLA67626
HistoryMay 16, 2024 - 12:00 a.m.

KLA67626 Multiple vulnerabilities in Microsoft Browser

2024-05-1600:00:00
Kaspersky Lab
threats.kaspersky.com
6
microsoft browser
vulnerabilities
arbitrary code execution
denial of service
sensitive information

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

8.4

Confidence

High

EPSS

0.002

Percentile

61.3%

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

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability in Dawn can be exploited to cause denial of service or execute arbitrary code.
  2. An information disclosure vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to obtain sensitive information.
  3. Use after free vulnerability in V8 can be exploited to cause denial of service or execute arbitrary code.
  4. Type confusion vulnerability in V8 can be exploited to cause denial of service.
  5. Implementation vulnerability in Downloads can be exploited to cause denial of service.

Original advisories

CVE-2024-4948

CVE-2024-30056

CVE-2024-4949

CVE-2024-4947

CVE-2024-4950

Exploitation

Public exploits exist for this vulnerability.

Related products

Microsoft-Edge

CVE list

CVE-2024-4949 unknown

CVE-2024-4950 unknown

CVE-2024-4948 unknown

CVE-2024-4947 unknown

CVE-2024-30056 high

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.

  • OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

  • 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

8.4

Confidence

High

EPSS

0.002

Percentile

61.3%