KLA12267
Multiple vulnerabilities in Microsoft Browser

Updated: 08/25/2021
Detect date
?
08/19/2021
Severity
?
Warning
Description

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

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
  2. Race condition vulnerability in WebAudio can be exploited to cause denial of service.
  3. Use after free vulnerability in Extensions API can be exploited to cause denial of service or execute arbitrary code.
  4. Use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
  5. Type confusion vulnerability in V8 can be exploited to cause denial of service.
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-2021-30604
CVE-2021-30603
CVE-2021-30601
CVE-2021-30602
CVE-2021-30599
CVE-2021-30598

Impacts
?
ACE 
[?]

DoS 
[?]
Related products
Microsoft Edge
CVE-IDS
?
CVE-2021-306010.0Unknown
CVE-2021-306030.0Unknown
CVE-2021-305980.0Unknown
CVE-2021-306040.0Unknown
CVE-2021-306020.0Unknown
CVE-2021-305990.0Unknown
Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region