CVSS v3
7.5
HIGH
EPSS Score
82.4 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2022-03-25
- Patch Due Date
- 2022-04-15
- Ransomware Use
- Unknown
Technical details
- Published
- 2018-08-15
Frequently asked questions
What is CVE-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 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.
Is CVE-2018-8373 actively exploited?
Yes. CVE-2018-8373 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-04-15.
What is the CVSS score for CVE-2018-8373?
CVE-2018-8373 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-8373 affecting your environment?
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