CVE-2026-14241
Awaiting Analysis Awaiting Analysis - Queue

Memory Corruption in Firefox 152.0.3

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Mozilla Corporation

Description
Memory safety bugs present in Firefox 152.0.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 152.0.4.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-06-30
Last Modified
2026-06-30
Generated
2026-06-30
AI Q&A
2026-06-30
EPSS Evaluated
N/A
NVD
CVE-2026-14241
EUVD
EUVD-2026-40321

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 152.0.4 (exc)
mozilla firefox 152.0.4

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

CVE-2026-14241 is a memory safety vulnerability found in Firefox version 152.0.3. It involves memory corruption bugs that could potentially allow an attacker to exploit these issues to run arbitrary code on the affected system.

Impact Analysis

This vulnerability can have a high impact because it may allow attackers to execute arbitrary code on your system if exploited. This could lead to unauthorized control over your device, data theft, or other malicious activities.

Mitigation Strategies

To mitigate this vulnerability, you should update Firefox to version 152.0.4 or later, as this version contains the fix for the memory safety bugs present in Firefox 152.0.3.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-14241. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart