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Mozilla EUVDEUVD-2026-78458

| CVE-2026-92073 HIGH
Improper Privilege Management (CWE-269)
2026-09-15 mozilla GHSA-r55h-2qgq-xw46
Privilege Escalation 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 - 15:25 vuln.today
CVE Published
Sep 15, 2026 - 12:34 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 15, 2026 - 12:34 cve.org
HIGH 8.8

DescriptionCVE.org

Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.

Articles & Coverage 2

News We need answer only title. Need generate concise article title. Format given: "N New [Product] Vulnerabilities - X Critical, Y With POC" But severity all HIGH, POC 0. Need adapt. Product Mozilla, total CVEs 21, severity HIGH 21, POC 0. Max 100 chars. Return only title no quotes. Need decide title. Since no critical, no POC. Could be "21 New Mozilla Vulnerabilities - 21 High Severity, 0 With POC" But format says X Critical, Y With POC Sep 16, 2026 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

Improper privilege management in Mozilla Firefox's Enterprise Policies component lets a remote attacker escalate privileges inside the browser after convincing a user to interact with malicious content (CVSS 8.8, AV:N/AC:L/PR:N/UI:R). Successful exploitation yields high confidentiality, integrity and availability impact across the browser's security boundary, although CISA's SSVC assessment rates the flaw as not automatable and with no known exploitation. …

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EUVD-2026-78458 vulnerability details – vuln.today
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