CVE-2026-12302General(mozilla / firefox)
LOWCVSS 6.5 · MEDIUMSignal is active with 1 mentions in latest observed window
Immediate actions
- Track advisory updates for patch or workaround availability
Recommended action window: Monitor and triage in normal cycle
NVD description
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
0.0/ 10 priority
Sources & remediation
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-693
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
Are you affected?
If you run products in this scope, you should treat this CVE as relevant to your environment.
- firefox
- thunderbird
Threat summary
- 1 mentions across 1 observed day
What's happening
- Technical details provided in 1 signal
- General: 1 classified signal
- 1 total mentions across 1 day
Affected systems
Vendors
Products
firefoxthunderbird
Deep dive
Activity timeline1 mentions / 1d
Signal classification1 categories
General1100.0%
Referenced assets2 URLs
CPE platform detail4 entries
4 of 4 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | mozilla | firefox | - | - | - |
| App | mozilla | firefox | - | - | - |
| App | mozilla | thunderbird | - | - | - |
| App | mozilla | thunderbird | - | - | - |