Review reviewHigh
CVE-2026-2798
Mozilla Firefox, Thunderbird, Red Hat Enterprise Linux 10
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
- CVSS
- 8.8
- EPSS
- 0.25% 16.1% percentile
- CISA KEV
- Not listed
- Published
- 2026.02.24