CVE-2018-12386
CVSS v3
8.1
HIGH
EPSS Score
39.1 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
Technical details
- Published
- 2018-10-18
Frequently asked questions
What is CVE-2018-12386?
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
Is CVE-2018-12386 actively exploited?
Active exploitation of CVE-2018-12386 has not been confirmed. The EPSS score is 39.1%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-12386?
CVE-2018-12386 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2018-12386 affecting your environment?
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