Vulnerability details
CVE-2026-92062
Privilege escalation in the Session Restore component
CVSS 3.1
8.8High
Official description
Privilege escalation in the Session Restore component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| No product information recorded. | |||
References and advisories
5
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Details
- Published
- 2026-09-15
- Last updated
- 2026-09-16
- State
- Published
- Assigner (CNA)
- mozilla
Exploit prediction (EPSS)
0.22%
Probability of exploitation in 30 days
12.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-269Improper Privilege Management