KLA49158 Multiple vulnerabilities in Microsoft Browser

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

Below is a complete list of vulnerabilities:

1. A security feature bypass vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to bypass security restrictions.
2. An elevation of privilege vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to gain privileges.
3. Implementation vulnerability in PictureInPicture can be exploited to cause denial of service.
4. Implementation vulnerability in Prompts can be exploited to cause denial of service.
5. Validation of untrusted input vulnerability in Exte can be exploited to cause denial of service.
6. Implementation vulnerability in CORS can be exploited to cause denial of service.
7. Implementation vulnerability in Full Screen Mode can be exploited to cause denial of service.

Original advisories

CVE-2023-29354

CVE-2023-29350

CVE-2023-2468

CVE-2023-2462

CVE-2023-2460

CVE-2023-2464

CVE-2023-2459

CVE-2023-2467

CVE-2023-2466

CVE-2023-2465

CVE-2023-2463

Related products

Microsoft-Edge

CVE list

CVE-2023-2460 high

CVE-2023-2462 warning

CVE-2023-2467 warning

CVE-2023-2464 warning

CVE-2023-2465 warning

CVE-2023-2466 warning

CVE-2023-2463 warning

CVE-2023-2459 high

CVE-2023-2468 warning

CVE-2023-29354 warning

CVE-2023-29350 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.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Microsoft Edge (Chromium-based)