Mitigation bypass in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 147.0.2.
Conclusion & alert: CVE-2026-24868 is rated Low Risk (28.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.18%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 0.18% | +0.12% |
| 2 | 2026-04-05 | 0.04% | 0.05% | +0.01% |
| 3 | 2026-02-07 | — | 0.04% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2026-24868: 1 source package rows (firefox); 126 state rows across 2 repos (3.23-community, edge-community); fixed 0, open 126. | https://security.alpinelinux.org/vuln/CVE-2026-24868 |
debian
|
not yet assigned | CVE-2026-24868 not yet assigned priority: Debian including 1 source packages (firefox), 1 status rows across 1 suites (sid): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2026-24868 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2026-24868 |
suse
|
high | CVE-2026-24868 severity important: SUSE including 11 source package names (MozillaFirefox, MozillaFirefox-147.0.2-1.1, …), 79 product×package rows across 22 product lines (SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS, SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS, … (22 product lines)): Known Not Affected 74, Fixed 5. | https://www.suse.com/security/cve/CVE-2026-24868/ |
ubuntu
|
medium | CVE-2026-24868 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 8 status rows across 4 suites (jammy, noble, questing, upstream): not-affected 6, needs-triage 2. | https://ubuntu.com/security/CVE-2026-24868 |
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2007302 | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2026-06/ | Vendor Advisory |