CVE-2020-0830: 
C# vulnerability analysis and mitigation

A remote code execution vulnerability (CVE-2020-0830) exists in the way the scripting engine handles objects in memory in Microsoft browsers. This vulnerability is part of a series of similar scripting engine vulnerabilities discovered in 2020, being unique from CVE-2020-0768, CVE-2020-0823, CVE-2020-0825, CVE-2020-0826, CVE-2020-0827, CVE-2020-0828, CVE-2020-0829, CVE-2020-0831, CVE-2020-0832, CVE-2020-0833, and CVE-2020-0848 (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. Under CVSS v2.0, it received a base score of 7.6 (HIGH) with the vector (AV:N/AC:H/Au:N/C:C/I:C/A:C). The vulnerability is classified as an Out-of-bounds Write (CWE-787) issue (NVD).

If successfully exploited, this vulnerability could allow an attacker to execute arbitrary code in the context of the current user. Users with administrative privileges could be more severely impacted than those with restricted access (NVD).

Microsoft has released security updates to address this vulnerability. Users should apply the appropriate security updates through Microsoft's standard update channels (MSRC).