CVEvulnerability
CVE-2018-8373
CISA Known Exploited Vulnerability
Microsoft Scripting Engine Memory Corruption Vulnerability — Microsoft Internet Explorer Scripting Engine
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer.
- Added to KEV
- 2022-03-25
- Remediation due
- 2022-04-15
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2018-8373
- Status
- Analyzed
- Published
- 2018-08-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.6 HIGH — AV:N/AC:H/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
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.
Affected configurations
• microsoft internet explorer 11
• microsoft internet explorer 10
• microsoft internet explorer 9
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://www.securityfocus.com/bid/105037 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041483 Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8373 Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105037 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041483 Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8373 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8373 US Government Resource