KLA12592 Multiple vulnerabilities in Microsoft Browser

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 in Views can be exploited to cause denial of service or execute arbitrary code.
2. Use after free vulnerability in Guest View can be exploited to cause denial of service or execute arbitrary code.
3. Insufficient validation of untrusted input vulnerability in File can be exploited to cause denial of service.
4. Use after free vulnerability in Service Worker API can be exploited to cause denial of service or execute arbitrary code.
5. Use after free vulnerability in PDF can be exploited to cause denial of service or execute arbitrary code.

Original advisories

CVE-2022-2481

CVE-2022-2477

CVE-2022-2479

CVE-2022-2480

CVE-2022-2478

Exploitation

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

Related products

Microsoft-Edge

CVE list

CVE-2022-2478 critical

CVE-2022-2479 warning

CVE-2022-2477 critical

CVE-2022-2480 critical

CVE-2022-2481 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)