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Mozilla CVE-2026-92008

| EUVDEUVD-2026-78471 HIGH
Classic Buffer Overflow (CWE-120)
2026-09-15 mozilla GHSA-3rpr-7wjf-f32w
Privilege Escalation Buffer Overflow Mozilla
8.8
CVSS 3.1 · Vendor: mozilla
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Severity by source

Vendor (mozilla) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (mozilla) · only source for this CVE.

CVSS VectorVendor: mozilla

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Sep 15, 2026 - 15:26 vuln.today
CVE Published
Sep 15, 2026 - 12:33 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 15, 2026 - 12:33 cve.org
HIGH 8.8

DescriptionCVE.org

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.

Articles & Coverage 1

News We need answer only title. Need generate concise article title per format. Product Mozilla, total 19, severity HIGH all 19, POC 0. Format "N New [Product] Vulnerabilities - X Critical, Y With POC". But severity is HIGH not Critical. Examples allow variations. Need max 100 chars. Should we say "19 New Mozilla Vulnerabilities - 19 High Severity, 0 With POC"? That's 59? Let's count: "19 New Mozilla Vulnerabilities - 19 High Severity, 0 With POC Sep 15, 2026

AnalysisAI

Incorrect boundary conditions in Firefox's Graphics: CanvasWebGL component allow a remote attacker who convinces a user to open a crafted page to corrupt memory and achieve code execution with the privileges of the browser. The flaw is a classic buffer overflow (CWE-120) rated CVSS 8.8 (AV:N/AC:L/PR:N/UI:R), meaning no authentication is needed but the victim must load attacker-controlled content. …

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Same weakness CWE-120 – Classic Buffer Overflow

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CVE-2026-92008 vulnerability details – vuln.today
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