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KLA12235
Multiple vulnerabilities in Microsoft Browser

Updated: 01/25/2024
Detect date
?
07/19/2021
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 WebSerial can be exploited to cause denial of service or execute arbitrary code.
  2. Type confusion vulnerabulity in V8 can be exploited to cause denial of service.
  3. Heap buffer overflow vulnerability in WebXR can be exploited to cause denial of service.
  4. Out of bounds write vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
  5. Use after free vulnerability in V8 can be exploited to cause denial of service or execute arbitrary code.
  6. Use after free vulnerability in Blink XSLT can be exploited to cause denial of service or execute arbitrary code.
Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Affected products

Microsoft Edge (Chromium-based)

Solution

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)
Microsoft Edge update settings

Original advisories

CVE-2021-30562
CVE-2021-30563
CVE-2021-30564
CVE-2021-30559
CVE-2021-30541
CVE-2021-30560
CVE-2021-30561

Impacts
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ACE 
[?]

DoS 
[?]
Related products
Microsoft Edge
CVE-IDS
?
CVE-2021-305418.8Critical
CVE-2021-305648.8Critical
CVE-2021-305628.8Critical
CVE-2021-305608.8Critical
CVE-2021-305638.8Critical
CVE-2021-305618.8Critical
CVE-2021-305598.8Critical
Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region