KLA20048 Multiple vulnerabilities in Microsoft Browser

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

Below is a complete list of vulnerabilities:

1. Heap buffer overflow vulnerability in Crashpad can be exploited to cause denial of service.
2. Use after free vulnerability in Speech Recognition can be exploited to cause denial of service or execute arbitrary code.
3. Use after free vulnerability in V8 can be exploited to cause denial of service or execute arbitrary code.
4. Use after free vulnerability in Web Workers can be exploited to cause denial of service or execute arbitrary code.
5. Use after free vulnerability in WebCodecs vulnerability can be exploited to cause denial of service or execute arbitrary code.
6. Type confusion vulnerability in V8 can be exploited to cause denial of service.

Original advisories

CVE-2022-3890

CVE-2022-3886

CVE-2022-3885

CVE-2022-3887

CVE-2022-3888

CVE-2022-3889

Exploitation

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

Related products

Microsoft-Edge

CVE list

CVE-2022-3889 critical

CVE-2022-3885 critical

CVE-2022-3888 critical

CVE-2022-3887 critical

CVE-2022-3886 critical

CVE-2022-3890 critical

KB list

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

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• Microsoft Edge (Chromium-based)