Exploitation Summary
CVE-2018-8373 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added March 25, 2022.
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.
References (4)
Core 4
Core References
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8373
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1041483
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/105037
Patch, Vendor Advisory x_refsource_confirm
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8373
Scores
CVSS v3
7.5
EPSS
0.8249
EPSS Percentile
99.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2022-03-25
VulnCheck KEV
2018-07-11
InTheWild.io
2018-07-11
ENISA EUVD
EUVD-2018-20017
CWE
CWE-787
Status
published
Products (3)
microsoft/internet_explorer
11
microsoft/internet_explorer
10
microsoft/internet_explorer
9
Published
Aug 15, 2018
KEV Added
Mar 25, 2022
Tracked Since
Feb 18, 2026