CVE-2018-8373
Microsoft Scripting Engine Memory Corruption Vulnerability
Published Aug 15, 2018 · updated Jun 16, 2026 · microsoft internet explorer
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8353, CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 15, 2018 · Catalog
Detected
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8353, CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8385, CVE-2018-8389, CVE-
Mar 25, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Apr 15, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8353, CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8385, CVE-2018-8389, CVE-
Required action
Apply updates per vendor instructions.
CISA due date Apr 15, 2022
Affected
- cpe microsoft/internet explorer10
- cpe microsoft/internet explorer11
- cpe microsoft/internet explorer9
- vendor Microsoft Internet Explorer Scripting Engineversion unspecified
Sources
- CISA KEVConfirmed exploitationCVE-2018-8373
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer.
cisa.gov - CVE.orgVulnerability recordCVE-2018-8373
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2018-8373
30-day exploitation probability 61.9%
first.org - NIST NVDVulnerability recordCVE-2018-8373
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is u
nvd.nist.gov