CVSS v3
9.8
CRITICAL
EPSS Score
36.4%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.
Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.
Active exploitation of CVE-2016-9899 has not been confirmed. The EPSS score is 36.4%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2016-9899 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).