CVE-2026-6782

HIGHNVD 7.57.5—

7.5

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

CVSS v3: 7.5
EG Score: 7.5(high)
EPSS: 13.9%
KEV: Not listed

Published

April 21, 2026

Last Modified

April 22, 2026

References (3)

security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=2026571
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2026-30/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2026-33/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Data Freshness Timeline

(refreshed 12× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 16:34 UTCEG score recompute
2026-05-20 16:34 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-6782?

CVE-2026-6782 is a high vulnerability published on April 21, 2026. Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

When was CVE-2026-6782 disclosed?

CVE-2026-6782 was first published in the National Vulnerability Database on April 21, 2026, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-6782 actively exploited?

CVE-2026-6782 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-6782?

CVE-2026-6782 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2026-6782?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6782, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-6782

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-6782?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (3)

Frequently asked(5)

Related CVEs(same CWE)