Security Alert

Microsoft Edge Remote Code Execution Vulnerability (CVE-2023-38187)

Author

Joseph Morgan

Date

16 August, 2023

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Update Microsoft Edge

A remote code execution vulnerability has been discovered in Microsoft Edge web browser. The affected version of the browser is unknown, and the vulnerability has been classified as problematic. The vulnerability impacts confidentiality, integrity, and availability.

The vulnerability was disclosed on 07/21/2023, and an advisory regarding this issue can be found at Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability. This vulnerability has been assigned the CVE identifier CVE-2023-38187 since 07/12/2023. Successful exploitation of this vulnerability requires user interaction by the victim. There are no technical details or exploits publicly available at this time. The current price for an exploit might be approximately USD $5k-$25k (estimated as of 07/21/2023).

Users are advised to upgrade their software to eliminate this vulnerability.

  • Product Information:

    • Type: Web Browser
    • Vendor: Microsoft
    • Name: Edge
    • License: Commercial
  • Vulnerability Details:

    • Class: Remote Code Execution
    • CWE: Unknown
    • ATT&CK: Unknown
    • Local: No
    • Remote: Yes
    • Availability: Not Available
    • Status: Not Defined
    • CVSSv3 Base Score: 5.0
  • Timeline:

    • 07/12/2023: CVE reserved
    • 07/21/2023: Advisory disclosed
    • 07/21/2023: VulDB entry created
    • 08/15/2023: VulDB last update
  • Sources:

    • Vendor: microsoft.com
    • Advisory: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
    • Status: Confirmed
    • CVE: CVE-2023-38187

TechTip: Mitigate Security Risks with Regular Software Updates

The recent Microsoft Edge Remote Code Execution Vulnerability (CVE-2023-38187) underscores the importance of regularly updating your software. Outdated software can expose your systems to significant security threats, compromising the confidentiality, integrity, and availability of your data. Here’s how to stay ahead of these risks:

  1. Consistent Software Updates: Regularly check for and install the latest updates for your applications, especially web browsers that connect to the internet. This proactive approach is critical to mitigating security vulnerabilities like CVE-2023-38187.

  2. Official Sources: Always download updates from official and trusted sources, such as Microsoft’s website or in-built update mechanisms. This step ensures the authenticity and integrity of the updates.

Staying updated is vital, but we understand that it can be time-consuming and often overwhelming.

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