CVE-2026-92054
HIGHCVSS 8.8/10EPSS 0.26%
Last modified
CVE-2026-92054 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Privilege escalation in the Memory component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
Privilege escalation in the Memory component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | All versions |
| Mozilla | Thunderbird | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-92054?
Privilege escalation in the Memory component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
How severe is CVE-2026-92054?
CVE-2026-92054 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2026-92054?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-92049Use-after-free in the Widget: Win32 component. This vulnerab…
- CVE-2026-9205IBM Langflow OSS contains a weak cryptographic key derivatio…9.8
- CVE-2026-92050Sandbox escape due to race condition in the XPConnect compon…
- CVE-2026-92051Spoofing issue due to invalid pointer in the Graphics compon…
- CVE-2026-92052Privilege escalation due to uninitialized memory in the Grap…8.8
- CVE-2026-92053Privilege escalation in the Graphics: CanvasWebGL component.…8.8
- CVE-2026-92055Privilege escalation in the DevTools component. This vulnera…8.8
- CVE-2026-92056Use-after-free in the Graphics: Text component. This vulnera…
- CVE-2026-92057Mitigation bypass in the Enterprise Policies component. This…
- CVE-2026-92058Use-after-free in the Graphics component. This vulnerability…
- CVE-2026-92059Incorrect boundary conditions in the DOM: Editor component. …
- CVE-2026-92060Use-after-free in the Internationalization component. This v…
Are you affected by CVE-2026-92054?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST