CVE-2026-92008: Vulnerability in Mozilla Firefox
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.
AI Analysis
Technical Summary
CVE-2026-92008 is a security vulnerability in Mozilla Firefox involving incorrect boundary conditions in the Graphics: CanvasWebGL component, which leads to privilege escalation. This vulnerability was reported and fixed by Mozilla in Firefox 156 and Firefox ESR 115.41, 140.16, and 153.3. The vendor advisory lists this issue among several high-impact bugs fixed in these releases. The flaw could allow an attacker to elevate privileges within the browser process, potentially compromising security. The vendor has issued official fixes for this vulnerability.
Potential Impact
The vulnerability allows an attacker to escalate privileges within the Firefox browser due to improper boundary checks in the CanvasWebGL graphics component. This could lead to unauthorized actions or code execution with elevated privileges in the browser context. The impact is rated high by the vendor.
Mitigation Recommendations
Official fixes for this vulnerability are available in Firefox 156 and Firefox ESR versions 115.41, 140.16, and 153.3. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation steps are required beyond applying the official patches.
CVE-2026-92008: Vulnerability in Mozilla Firefox
Description
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.
Affected software
Mozilla
Firefox
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-92008 is a security vulnerability in Mozilla Firefox involving incorrect boundary conditions in the Graphics: CanvasWebGL component, which leads to privilege escalation. This vulnerability was reported and fixed by Mozilla in Firefox 156 and Firefox ESR 115.41, 140.16, and 153.3. The vendor advisory lists this issue among several high-impact bugs fixed in these releases. The flaw could allow an attacker to elevate privileges within the browser process, potentially compromising security. The vendor has issued official fixes for this vulnerability.
Potential Impact
The vulnerability allows an attacker to escalate privileges within the Firefox browser due to improper boundary checks in the CanvasWebGL graphics component. This could lead to unauthorized actions or code execution with elevated privileges in the browser context. The impact is rated high by the vendor.
Mitigation Recommendations
Official fixes for this vulnerability are available in Firefox 156 and Firefox ESR versions 115.41, 140.16, and 153.3. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation steps are required beyond applying the official patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-15T12:33:27.177Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-91/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-92/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-93/","vendor":"Mozilla"}]
Threat ID: 6aa93e5e55bf5e2cf5d30fc8
Added to database: 09/15/2026, 12:47:26 UTC
Last enriched: 09/15/2026, 13:46:28 UTC
Last updated: 09/15/2026, 14:41:36 UTC
Views: 2
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