CVE-2026-117861
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- CVE-2026-117861
CVE Details
| Release Date: | 2026-10-27 | |
| Impact: | Important | What is this? |
Description
Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
See more information about CVE-2026-117861 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 8.4 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Changed |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (firefox) | ELSA-2026-93956 | 2026-11-03 |
| Oracle Linux version 8 (firefox) | ELSA-2026-94405 | 2026-11-03 |
| Oracle Linux version 9 (firefox) | ELSA-2026-93957 | 2026-11-03 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
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- Vulnerability scanning tools vendors and project maintainers - follow the standard ISV process
