CVE-2026-8966Disclosure(mozilla / firefox)

LOWCVSS 7.5 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch mozilla firefox systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-200

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

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

  • Patch or workaround signal is available
  • 2 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
firefoxthunderbird

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-05-19: 2Patch / Workaround · 2026-05-19: 1Technical Details · 2026-05-19: 205-19
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets2 URLs
Full discourse2 posts
  • CVE@CVEnew
    Patch

    CVE-2026-8966 Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. https://www.cve.org/CVERecord?id=CVE-2026-8966

    Post summary

    The post announces a CVE with a factual statement of an information disclosure flaw, confirms that the issue has been fixed in specific software releases, but provides no exploit or active attack details.

    00000181
    57.5K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-8966 Information Disclosure in Firefox IP Protection Component Before Version 151 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-8966

    Post summary

    The text announces CVE‑2026‑8966, an information disclosure vulnerability in Firefox’s IP Protection component pre‑version 151, without indicating PoC, exploit, or active exploitation.

    0000091
    4.0K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillathunderbird---

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