cve.bz

CVE-2026-74981

8.1 highEPSS 0.2%

High (8.1) in mozilla. EPSS 0.2% chance of exploitation in the next 30 days.

Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Severity

CVSS 3.1

8.1 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-31)
CWE
CWE-346
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON