Kaspersky ID:
KLA12161
Detect Date:
04/29/2021
Updated:
01/25/2024

Description

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, spoof user interface.

Below is a complete list of vulnerabilities:

  1. A data validation vulnerability in V8 can be exploited to bypass security restrictions.
  2. A policy enforcement vulnerability in extensions component can be exploited to bypass security restrictions.
  3. A use after free vulnerability in Dev Tools can be exploited to cause denial of service or execute arbitrary code.
  4. A type confusion vulnerability in V8 can be exploited to cause denial of service.
  5. A heap buffer overflow vulnerability in ANGLE can be exploited to cause denial of service.
  6. A security UI vulnerability in downloads component can be exploited to spoof user interface.

Original advisories

Related products

CVE list

  • CVE-2021-21227
    critical
  • CVE-2021-21228
    warning
  • CVE-2021-21232
    critical
  • CVE-2021-21230
    critical
  • CVE-2021-21233
    critical
  • CVE-2021-21231
    critical
  • CVE-2021-21229
    high

KB list

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com

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