Mozilla Firefox up to 115.40/140.15 Graphics privileges management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $5k-$25k | 6.52- |
Summary
A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 115.40/140.15. Impacted is an unknown function of the component Graphics Component. This manipulation causes privileges management. This vulnerability is tracked as CVE-2026-92014. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability has been found in Mozilla Firefox up to 115.40/140.15 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Graphics Component. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41 and Firefox ESR 140.16.
It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is known as CVE-2026-92014 since 09/15/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/15/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
Upgrading to version 115.41 or 140.16 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-78477). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
- 115.0
- 115.1
- 115.2
- 115.3
- 115.4
- 115.5
- 115.6
- 115.7
- 115.8
- 115.9
- 115.10
- 115.11
- 115.12
- 115.13
- 115.14
- 115.15
- 115.16
- 115.17
- 115.18
- 115.19
- 115.20
- 115.21
- 115.22
- 115.23
- 115.24
- 115.25
- 115.26
- 115.27
- 115.28
- 115.29
- 115.30
- 115.31
- 115.32
- 115.33
- 115.34
- 115.35
- 115.36
- 115.37
- 115.38
- 115.39
- 115.40
- 140.0
- 140.1
- 140.2
- 140.3
- 140.4
- 140.5
- 140.6
- 140.7
- 140.8
- 140.9
- 140.10
- 140.11
- 140.12
- 140.13
- 140.14
- 140.15
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Firefox 115.41/140.16
Timeline
09/15/2026 Advisory disclosed09/15/2026 CVE reserved
09/15/2026 VulDB entry created
09/15/2026 VulDB entry last update
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: bugzilla.mozilla.org
Status: Confirmed
CVE: CVE-2026-92014 (🔒)
GCVE (CVE): GCVE-0-2026-92014
GCVE (VulDB): GCVE-100-404167
EUVD: 🔒
Entry
Created: 09/15/2026 15:05Updated: 09/15/2026 16:29
Changes: 09/15/2026 15:05 (57), 09/15/2026 16:29 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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