CVE-2026-12289
Essential information
- Published
- 16/06/2026 15:16
- Modified
- 16/06/2026 20:34
- Author
- The MITRE Corporation
- Creator
- The MITRE Corporation
- CVSS
- 8.8 HIGH (v3.1)
- CISA KEV
- No
- CWE
- CWE-269
- CVSS vector
-
—
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H—
CVSS metrics
- Access vector
- —
- Access complexity
- —
- Authentication
- —
- Confidentiality impact
- —
- Integrity impact
- —
- Availability impact
- —
- Exploitability
- —
- Remediation level
- —
- Report confidence
- —
- Temporal score
- —
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
- Exploit code maturity
- —
- Remediation level
- —
- Report confidence
- —
- Temporal score
- —
- Attack vector
- —
- Attack complexity
- —
- Attack requirements
- —
- Privileges required
- —
- User interaction
- —
- Confidentiality (V)
- —
- Confidentiality (S)
- —
- Integrity (V)
- —
- Integrity (S)
- —
- Availability (V)
- —
- Availability (S)
- —
- Exploit maturity
- —
Description
Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
NVD status
- Status
- Analyzed — CVE has been recently published to the CVE List and has been received by the NVD.
- Source
- [email protected]
- NVD
- View on NVD
Affected products (CPE)
| Product | CPE |
|---|---|
| mozilla / firefox | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
| mozilla / firefox | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* |
| mozilla / firefox | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
| mozilla / thunderbird | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* |
| mozilla / thunderbird | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |