CVE-2018-0840: microsoft corporation microsoft edge, chakracore, internet explorer Out-of-bounds Write

Vulnerability summary

CVE-2018-0840 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in microsoft corporation microsoft edge, chakracore, internet explorer. EPSS estimates a 53.07% chance of exploitation in the next 30 days, higher than 98.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 15-02-2018
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Internet Explorer and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.