CVE-2026-92034
Received Received - Intake

Graphics Component Site Isolation Vulnerability in Firefox

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Mozilla Corporation

Description
Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156.

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Meta Information

Published
2026-09-15
Last Modified
2026-09-15
Generated
2026-09-15
AI Q&A
2026-09-15
EPSS Evaluated
N/A
NVD
CVE-2026-92034
EUVD
EUVD-2026-78497

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox 156

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a site isolation issue in Firefox's Graphics component. Site isolation is a security feature that separates different websites into different processes to prevent data leaks between them. A flaw in this feature could allow malicious websites to access data from other sites.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive data from other websites you have open in your browser, such as login credentials, personal information, or financial details. This could lead to identity theft, unauthorized account access, or data breaches.

Mitigation Strategies

Update Firefox to version 156 or later to address the Site isolation issue in the Graphics component.

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