CVE-2026-100764: Vulnerability in Mozilla Firefox
Privilege escalation due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 157.
AI Analysis
Technical Summary
CVE-2026-100764 is a vulnerability in Mozilla Firefox's Graphics: WebGPU component where incorrect boundary conditions lead to privilege escalation. This security flaw was identified and fixed in Firefox 157. The vulnerability has a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), reflecting its high impact and ease of exploitation with user interaction. The Mozilla advisory confirms the fix and provides detailed references to the bug report (Bug 2061290). No active exploitation has been observed.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Firefox process, potentially leading to full compromise of the affected browser environment. The vulnerability impacts confidentiality, integrity, and availability of the system running the vulnerable Firefox version. However, exploitation requires user interaction.
Mitigation Recommendations
This vulnerability is fixed in Firefox 157. Users and administrators should update to Firefox 157 or later to remediate this issue. No additional mitigation actions are required as the vendor has provided an official fix.
CVE-2026-100764: Vulnerability in Mozilla Firefox
Description
Privilege escalation due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 157.
CVSS v3.1
Score 8.8high
Affected software
Mozilla
Firefox
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-100764 is a vulnerability in Mozilla Firefox's Graphics: WebGPU component where incorrect boundary conditions lead to privilege escalation. This security flaw was identified and fixed in Firefox 157. The vulnerability has a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), reflecting its high impact and ease of exploitation with user interaction. The Mozilla advisory confirms the fix and provides detailed references to the bug report (Bug 2061290). No active exploitation has been observed.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Firefox process, potentially leading to full compromise of the affected browser environment. The vulnerability impacts confidentiality, integrity, and availability of the system running the vulnerable Firefox version. However, exploitation requires user interaction.
Mitigation Recommendations
This vulnerability is fixed in Firefox 157. Users and administrators should update to Firefox 157 or later to remediate this issue. No additional mitigation actions are required as the vendor has provided an official fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:15:20.971Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3ebf7a7c54106640942
Added to database: 09/29/2026, 12:49:47 UTC
Last enriched: 09/29/2026, 13:33:44 UTC
Last updated: 09/29/2026, 18:20:13 UTC
Views: 2
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