CVE-2021-30578
CVSS v3
8.8
HIGH
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Uninitialized use in Media in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page.
Technical details
- Published
- 2021-08-03
Frequently asked questions
What is CVE-2021-30578?
Uninitialized use in Media in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page.
Is CVE-2021-30578 actively exploited?
Active exploitation of CVE-2021-30578 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-30578?
CVE-2021-30578 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-30578 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).