CVE-2026-8094

CRITICALNVD 9.89.8—

9.8

Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 5.9%
KEV: Not listed

Published

May 7, 2026

Last Modified

May 11, 2026

Advisory Details (3)

Auto-updated May 11, 2026

No patch confirmed yet.

generic

Security Vulnerabilities fixed in Thunderbird 140.10.2 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2026-44/

generic

Security Vulnerabilities fixed in Firefox ESR 140.10.2 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2026-41/

generic

Access Denied

https://bugzilla.mozilla.org/show_bug.cgi?id=2035939

Vendor Advisories for CVE-2026-8094(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	firefox-0:140.10.2-1.el10_2	2026-05-19	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 8× in last 7d / 20× 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 00:16 UTCepss_batch
2026-05-29 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 11:22 UTCepss_batch
2026-05-20 10:14 UTCEG score recompute
2026-05-20 10:14 UTCVendor advisory
2026-05-20 10:14 UTCGHSA enrichment
2026-05-20 06:32 UTCEG score recompute
2026-05-20 06:32 UTCVendor advisory
2026-05-20 06:31 UTCGHSA enrichment
2026-05-20 02:49 UTCEG score recompute
2026-05-20 02:49 UTCVendor advisory
2026-05-20 02:49 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-8094?

CVE-2026-8094 is a critical vulnerability published on May 7, 2026. Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.

When was CVE-2026-8094 disclosed?

CVE-2026-8094 was first published in the National Vulnerability Database on May 7, 2026, with the most recent update on May 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-8094 actively exploited?

CVE-2026-8094 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-8094?

CVE-2026-8094 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2026-8094?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8094, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-8094

Explore →

Is Your Infrastructure Affected by CVE-2026-8094?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2026-8094

Published

Last Modified

Advisory Details (3)

Security Vulnerabilities fixed in Thunderbird 140.10.2 — Mozilla

Security Vulnerabilities fixed in Firefox ESR 140.10.2 — Mozilla

Access Denied

Vendor Advisories for CVE-2026-8094(2)

Patch Availability(1)

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-8094?

Same vendor

Same CWE

CVE-2026-8094

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

Security Vulnerabilities fixed in Thunderbird 140.10.2 — Mozilla

Security Vulnerabilities fixed in Firefox ESR 140.10.2 — Mozilla

Access Denied

📣 Vendor Advisories for CVE-2026-8094(2)

Patch Availability(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-8094?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

Advisory Details (3)

Vendor Advisories for CVE-2026-8094(2)

Frequently asked(5)

Related CVEs(same vendor + same CWE)