KLA49268 Multiple vulnerabilities in Microsoft Browser

Multiple vulnerabilities were found in Microsoft Edge. 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 Guest View can be exploited to cause denial of service or execute arbitrary code.
2. Implementation vulnerability in WebApp Installs can be exploited to cause denial of service.
3. Type confusion vulnerability in V8 can be exploited to cause denial of service.
4. Use after free vulnerability in Autofill UI can be exploited to cause denial of service or execute arbitrary code.
5. Use after free vulnerability in Navigation can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in DevTools can be exploited to cause denial of service or execute arbitrary code.

Original advisories

CVE-2023-2725

CVE-2023-2726

CVE-2023-2724

CVE-2023-2722

CVE-2023-2721

CVE-2023-2723

Exploitation

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

Related products

Microsoft-Edge

CVE list

CVE-2023-2724 critical

CVE-2023-2726 critical

CVE-2023-2723 critical

CVE-2023-2721 critical

CVE-2023-2722 critical

CVE-2023-2725 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.

Affected Products

• Microsoft Edge (Chromium-based)Microsoft Edge (Chromium-based) Extended Stable