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CVE-2026-8092: Vulnerability in Mozilla Firefox

0
High
VulnerabilityCVE-2026-8092cvecve-2026-8092
Published: Thu May 07 2026 (05/07/2026, 12:45:06 UTC)
Source: CVE Database V5
Vendor/Project: Mozilla
Product: Firefox

Description

CVE-2026-8092 addresses memory safety bugs in Mozilla Firefox versions ESR 115. 35. 1, ESR 140. 10. 1, and 150. 0. 1. These bugs showed evidence of memory corruption and could potentially be exploited to execute arbitrary code. Mozilla fixed these vulnerabilities in Firefox versions 150. 0.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/07/2026, 13:22:00 UTC

Technical Analysis

This vulnerability involves multiple memory safety bugs in specific versions of Mozilla Firefox and Firefox ESR. The bugs caused memory corruption, which under certain conditions could allow an attacker to execute arbitrary code. The affected versions are Firefox ESR 115.35.1, ESR 140.10.1, and Firefox 150.0.1. Mozilla released official fixes in Firefox 150.0.2, ESR 140.10.2, and ESR 115.35.2 to address these issues. The vendor advisories (MFSA 2026-40 and MFSA 2026-41) provide detailed information about the vulnerabilities and confirm the availability of patches.

Potential Impact

The memory safety bugs could lead to memory corruption and potentially allow remote code execution if exploited. This represents a high impact security risk as arbitrary code execution can compromise the confidentiality, integrity, and availability of the affected system. However, there are no reports of active exploitation in the wild.

Mitigation Recommendations

Mozilla has released official patches fixing these vulnerabilities in Firefox 150.0.2, Firefox ESR 140.10.2, and Firefox ESR 115.35.2. Users and administrators should update affected Firefox installations to these versions or later to remediate the vulnerabilities. Since the vendor has provided official fixes, applying these updates is the recommended mitigation. No additional or temporary mitigations are indicated by the vendor advisories.

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Technical Details

Data Version
5.2
Assigner Short Name
mozilla
Date Reserved
2026-05-07T12:45:06.414Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://www.mozilla.org/security/advisories/mfsa2026-40/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-41/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-42/","vendor":"Mozilla"}]

Threat ID: 69fc8e61cbff5d8610ef2cbf

Added to database: 5/7/2026, 1:06:41 PM

Last enriched: 5/7/2026, 1:22:00 PM

Last updated: 5/7/2026, 2:16:17 PM

Views: 4

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