HIGH CISA KEV

CVE-2018-8373

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
3/25/2022
Patch Due Date
4/15/2022
Ransomware Use
Unknown

Technical details

Published
8/15/2018

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 4/15/2022.

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?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IPSearch CVEs

Other 2018 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database