Kaspersky ID:
KLA12381
Detect Date:
12/10/2021
Updated:
01/25/2024

Description

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

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability in screen capture 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.
  3. Data validation vulnerability in loader can be exploited to bypass security restrictions.
  4. Use after free vulnerability in UI can be exploited to cause denial of service or execute arbitrary code.
  5. Heap buffer overflow vulnerability in ANGLE can be exploited to cause denial of service.
  6. Use after free vulnerability in web apps can be exploited to cause denial of service or execute arbitrary code.
  7. Type confusion vulnerability in loader can be exploited to cause denial of service.
  8. Security UI vulnerability in autofill can be exploited to spoof user interface.
  9. Validation of untrusted input vulnerability in new tab page can be exploited to bypass security restrictions.
  10. Use after free vulnerability in developer tools can be exploited to cause denial of service or execute arbitrary code.
  11. Use after free vulnerability in file API can be exploited to cause denial of service or execute arbitrary code.
  12. Heap buffer overflow vulnerability in BFCache can be exploited to cause denial of service.
  13. Use after free vulnerability in autofill can be exploited to cause denial of service or execute arbitrary code.
  14. Use after free vulnerability in windows manager can be exploited to cause denial of service or execute arbitrary code.
  15. Heap buffer overflow vulnerability in extensions can be exploited to cause denial of service.
  16. Integer underflow vulnerability in ANGLE can be exploited to cause denial of service.

Original advisories

Related products

CVE list

  • CVE-2021-4063
    critical
  • CVE-2021-4052
    critical
  • CVE-2021-4055
    critical
  • CVE-2021-4064
    critical
  • CVE-2021-4053
    critical
  • CVE-2021-4059
    high
  • CVE-2021-4057
    critical
  • CVE-2021-4061
    critical
  • CVE-2021-4068
    high
  • CVE-2021-4066
    critical
  • CVE-2021-4058
    critical
  • CVE-2021-4054
    high
  • CVE-2021-4067
    critical
  • CVE-2021-4062
    critical
  • CVE-2021-4056
    critical
  • CVE-2021-4065
    critical

KB list

Read more

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

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