VulnSocial

CVE-2026-12302General(mozilla / firefox)

LOWCVSS 6.5 · MEDIUM

Signal 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.

mozilla CVEsBack to dashboard
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
mozilla
Products
firefoxthunderbird

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-16: 1Technical Details · 2026-06-16: 106-16
Signal classification1 categories
General
1100.0%
Referenced assets2 URLs
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-12302 Mitigation Bypass in Firefox DOM Security Component https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-12302 Vulnerability Notification: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=3

    Post summary

    This tweet announces a Firefox DOM Security Component mitigation bypass (CVE‑2026‑12302) and links to external resources for more details, but offers no further technical specifics, patches, or exploit evidence.

    0000039
    4.0K followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillafirefox---
Appmozillathunderbird---
Appmozillathunderbird---

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