Multiple vulnerabilities in Microsoft Browser

Description

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

Below is a complete list of vulnerabilities:

1. A policy enforcement vulnerability in Content Security Policy can be exploited to bypass security restrictions.
2. A policy enforcement vulnerability in iFrameSandbox can be exploited to bypass security restrictions.
3. A security UI vulnerability in payments component can be exploited to spoof user interface.
4. A use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
5. A security feature bypass vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to bypass security restrictions.
6. A double free vulnerability in ICU can be exploited to cause denial of service or execute arbitrary code.
7. A use after free vulnerability in TabStrip can be exploited to cause denial of service or execute arbitrary code.
8. A policy enforcement vulnerability in cookies component can be exploited to bypass security restrictions.
9. An out of bounds read vulnerability in V8 can be exploited to obtain sensitive information or cause denial of service.
10. A heap buffer overflow vulnerability in Autofill can be exploited to cause denial of service or execute arbitrary code.
11. A use after free vulnerability in WebUI can be exploited to cause denial of service or execute arbitrary code.
12. A use after free vulnerability in WebAudio can be exploited to cause denial of service or execute arbitrary code.
13. A policy enforcement vulnerability in PopupBlocker can be exploited to bypass security restrictions.
14. A use after free vulnerability in TabGroups can be exploited to cause denial of service or execute arbitrary code.
15. An out of bounds memory access vulnerability in WebAudio can be exploited to cause denial of service or execute arbitrary code.
16. An out of bounds write vulnerability in TabStrip can be exploited to cause denial of service or execute arbitrary code.
17. A use after free vulnerability in WebAuthentication can be exploited to cause denial of service or execute arbitrary code.
18. A use after free vulnerability in Bookmarks can be exploited to cause denial of service or execute arbitrary code.
19. An elevation of privilege vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to gain privileges.

Original advisories

• CVE-2021-30538

• CVE-2021-30534
• CVE-2021-30540
• CVE-2021-30523
• CVE-2021-31982
• CVE-2021-30535
• CVE-2021-30524
• CVE-2021-30537
• CVE-2021-30536
• CVE-2021-30521
• CVE-2021-30527
• CVE-2021-30539
• CVE-2021-30532
• CVE-2021-30522
• CVE-2021-30533
• CVE-2021-30525
• CVE-2021-30530
• CVE-2021-30526
• CVE-2021-30528
• CVE-2021-30531
• CVE-2021-30529
• CVE-2021-31937

Related products

• Microsoft-Edge

CVE list

• CVE-2021-30538
  warning
• CVE-2021-30540
  high
• CVE-2021-30533
  high
• CVE-2021-30527
  critical
• CVE-2021-30522
  critical
• CVE-2021-30521
  critical
• CVE-2021-30531
  high
• CVE-2021-30523
  critical
• CVE-2021-30524
  critical
• CVE-2021-30535
  critical
• CVE-2021-30526
  critical
• CVE-2021-30530
  critical
• CVE-2021-30525
  critical
• CVE-2021-30539
  high
• CVE-2021-30529
  critical
• CVE-2021-30528
  critical
• CVE-2021-30532
  warning
• CVE-2021-30537
  warning
• CVE-2021-30534
  high
• CVE-2021-30536
  critical
• CVE-2021-31982
  critical
• CVE-2021-31937
  critical

KB list

Read more

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