Multiple vulnerabilities in Microsoft Browser

Description

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

Below is a complete list of vulnerabilities:

1. A use after free vulnerability in Notifications can be exploited to cause denial of service or execute arbitrary code.
2. A type confusion vulnerability in V8 can be exploited to cause denial of service.
3. A use after free vulnerability in Tab Strip can be exploited to cause denial of service or execute arbitrary code.
4. A heap buffer overflow vulnerability in Reader Mode can be exploited to cause denial of service.
5. A use after free vulnerability in File API can be exploited to cause denial of service or execute arbitrary code.
6. A security UI vulnerability in Web App Installs can be exploiteed to spoof user interface.
7. A race condition vulnerability in Aura can be exploited to bypass security restrictions.
8. An out of bounds read vulnerability in Tab Groups can be exploited to cause denial of service.
9. A heap buffer overflow vulnerability in History can be exploited to cause denial of service.
10. An out of bounds write vulnerability in Tab Strip can be exploited to cause denial of service.
11. An implementation vulnerability in Offline can be exploited to cause denial of service.
12. A use after free vulnerability in Payments can be exploited to cause denial of service or execute arbitrary code.
13. A heap buffer overflow vulnerability in Media Feeds can be exploited to cause denial of service.
14. A use after free vulnerability in Autofill can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• CVE-2021-30512

• CVE-2021-30517
• CVE-2021-30520
• CVE-2021-30518
• CVE-2021-30515
• CVE-2021-30506
• CVE-2021-30510
• CVE-2021-30511
• CVE-2021-30516
• CVE-2021-30509
• CVE-2021-30507
• CVE-2021-30519
• CVE-2021-30508
• CVE-2021-30514
• CVE-2021-30513

Related products

• Microsoft-Edge

CVE list

• CVE-2021-30507
  critical
• CVE-2021-30516
  critical
• CVE-2021-30519
  critical
• CVE-2021-30515
  critical
• CVE-2021-30506
  critical
• CVE-2021-30514
  critical
• CVE-2021-30517
  critical
• CVE-2021-30513
  critical
• CVE-2021-30518
  critical
• CVE-2021-30509
  critical
• CVE-2021-30508
  critical
• CVE-2021-30512
  critical
• CVE-2021-30520
  critical
• CVE-2021-30510
  critical
• CVE-2021-30511
  critical

KB list

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