KLA12296
Multiple vulnerabilities in Microsoft Browser

Updated: 09/30/2021
Detect date
?
09/16/2021
Severity
?
Warning
Description

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

Below is a complete list of vulnerabilities:

  1. Type confusion vulnerability in Blink layout can be exploited to cause denial of service.
  2. Out of bounds memory access vulnerability in ANGLE can be exploited to cause denial of service, execute arbitrary code or obtain sensitive information.
  3. Use after free vulnerability in Selection API can be exploited to cause denial of service or execute arbitrary code.
  4. Implementation vulnerability in Blink can be exploited to cause denial of service.
  5. Stack buffer overflow vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
  6. Use after free vulnerability in Indexed DB API can be exploited to cause denial of service or execute arbitrary code.
  7. Use after free vulnerability in Permissions can be exploited to cause denial of service or execute arbitrary code.
Affected products

Microsoft Edge (Chromium-based)

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories

CVE-2021-30627
CVE-2021-30626
CVE-2021-30625
CVE-2021-30630
CVE-2021-30628
CVE-2021-30633
CVE-2021-30631
CVE-2021-30629

Impacts
?
ACE 
[?]

OSI 
[?]

DoS 
[?]
Related products
Microsoft Edge
CVE-IDS
?
CVE-2021-306280.0Unknown
CVE-2021-306330.0Unknown
CVE-2021-306300.0Unknown
CVE-2021-306290.0Unknown
CVE-2021-306270.0Unknown
CVE-2021-306260.0Unknown
CVE-2021-306250.0Unknown
CVE-2021-306310.0Unknown
Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region