CVE-2026-100763: Vulnerability in Mozilla Firefox
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 157.
AI Analysis
Technical Summary
This vulnerability involves incorrect boundary conditions in the Graphics: WebGPU component of Mozilla Firefox. Such a flaw could potentially lead to security issues like memory corruption or privilege escalation, though specific exploitation details are not provided. Mozilla fixed this vulnerability in Firefox 157 as part of a comprehensive security update addressing multiple high-impact bugs.
Potential Impact
The vulnerability is rated as high impact by Mozilla, indicating it could allow attackers to compromise the security of the Firefox browser through the affected Graphics: WebGPU component. However, there are no known active exploits in the wild. The fix in Firefox 157 mitigates the risk.
Mitigation Recommendations
Users should update to Firefox version 157 or later to remediate this vulnerability. Mozilla has officially fixed this issue in that release. No additional mitigation actions are required beyond applying the update.
CVE-2026-100763: Vulnerability in Mozilla Firefox
Description
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 157.
Affected software
Mozilla
Firefox
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves incorrect boundary conditions in the Graphics: WebGPU component of Mozilla Firefox. Such a flaw could potentially lead to security issues like memory corruption or privilege escalation, though specific exploitation details are not provided. Mozilla fixed this vulnerability in Firefox 157 as part of a comprehensive security update addressing multiple high-impact bugs.
Potential Impact
The vulnerability is rated as high impact by Mozilla, indicating it could allow attackers to compromise the security of the Firefox browser through the affected Graphics: WebGPU component. However, there are no known active exploits in the wild. The fix in Firefox 157 mitigates the risk.
Mitigation Recommendations
Users should update to Firefox version 157 or later to remediate this vulnerability. Mozilla has officially fixed this issue in that release. No additional mitigation actions are required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:15:20.095Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3ebf7a7c54106640941
Added to database: 09/29/2026, 12:49:47 UTC
Last enriched: 09/29/2026, 13:33:47 UTC
Last updated: 09/29/2026, 18:20:13 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.