CRITICALVulnerability
CVE-2026-75874
Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.
Properties
- severity
- CRITICAL
- score
- 10
- epss_score
- 0.00455
- cve_id
- CVE-2026-75874
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- published_at
- 2026-08-18T13:17:43.500
- last_modified
- 2026-09-01T22:17:12.863
- epss_percentile
- 0.37949
Related Entities (5)
ENRICHED_BY (1)
→[Source]FIRST EPSS
AFFECTS_PRODUCT (2)
→[Product]
→[Product]
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (1)
→[Weakness]Protection Mechanism Failure
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