CVE-2026-8092
HIGH EPSS 29.1%
Published May 7, 20261mo ago · Modified Jun 17, 20261w ago
8.1 CVSS 3.1
Published May 7, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago
Description
Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
29.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 3
CWE-125 Out-of-bounds Read Memory Safety
CWE-416 Use After Free Memory Safety
CWE-787 Out-of-bounds Write Memory Safety
Affected Products 5
References 6
- bugzilla.mozilla.org https://bugzilla.mozilla.org/buglist.cgi?bug_id=1806249%2C2021977%2C2022576%2C2022722%2C2024439%2C2027883%2C2029463%2C2030323%2C2032042%2C2032043%2C2033270%2C2033637%2C2034422%2C2034496%2C2035879%2C2036516
- mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-40/
- mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-41/
- mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-42/
- mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-43/
- mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-44/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.