CVE-2026-74947
Undergoing Analysis Undergoing Analysis - In Progress

Privilege Escalation in Firefox Graphics Component

Vulnerability report for CVE-2026-74947, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Mozilla Corporation

Description

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.

CVSS Scores

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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 154 (inc)
mozilla firefox_esr to 153.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a privilege escalation vulnerability caused by an invalid pointer in Firefox's Graphics component. It allows attackers to gain higher privileges than intended. The issue was patched in Firefox 154 and Firefox ESR 153.1.

Impact Analysis

If exploited, this vulnerability could let attackers take control of your system, install malware, or access sensitive data. Users running vulnerable Firefox versions are at risk until they update.

Compliance Impact

This vulnerability does not provide specific details about compliance impacts on standards like GDPR or HIPAA. The issue involves privilege escalation in the Graphics component of Firefox, which could potentially lead to unauthorized access or data breaches. However, without further context on data handling or affected systems, direct implications for compliance cannot be determined.

Mitigation Strategies

Update Firefox to version 154 or later and Firefox ESR to version 153.1 or later to address the privilege escalation vulnerability in the Graphics component.

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