Information disclosure in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92070
Score 4.3 from GitHub Security Advisory published 2026-09-15. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(high)
- EG Risk
- 19(Track)EG Risk 19/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity43% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 25%
- KEV
- Not listed
Published
September 15, 2026
Last Modified
September 22, 2026
Advisory Details (5)
Auto-updated Sep 22, 2026Security Vulnerabilities fixed in Thunderbird 153.3 — Mozilla
https://www.mozilla.org/security/advisories/mfsa2026-96/Security Vulnerabilities fixed in Thunderbird 156 — Mozilla
https://www.mozilla.org/security/advisories/mfsa2026-94/Security Vulnerabilities fixed in Firefox ESR 153.3 — Mozilla
https://www.mozilla.org/security/advisories/mfsa2026-93/Security Vulnerabilities fixed in Firefox 156 — Mozilla
https://www.mozilla.org/security/advisories/mfsa2026-90/Vendor Advisories for CVE-2026-92070(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 16× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-09-24 19:48 UTCEG score recompute
- 2026-09-24 19:48 UTCGHSA enrichment
- 2026-09-24 14:04 UTCEPSS rescore
- 2026-09-23 18:06 UTCEG score recompute
- 2026-09-23 18:06 UTCGHSA enrichment
- 2026-09-23 17:54 UTCEPSS rescore
- 2026-09-22 16:24 UTCEG score recompute
- 2026-09-22 16:24 UTCGHSA enrichment
- 2026-09-22 16:01 UTCEPSS rescore
- 2026-09-22 15:30 UTCEG score recompute▲ 4.30
- 2026-09-22 15:30 UTCGHSA enrichment
- 2026-09-22 15:29 UTCMITRE cvelistV5CVSS v3 → 4.3 · severity → MEDIUM
- 2026-09-21 21:09 UTCEPSS rescore
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-19 23:00 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-17 19:32 UTCEPSS rescore
- 2026-09-16 19:57 UTCGHSA enrichment
- 2026-09-16 15:27 UTCGHSA enrichment
- 2026-09-16 15:23 UTCNVD update
- 2026-09-16 14:36 UTCEG score recompute
- 2026-09-16 14:36 UTCGHSA enrichment
- 2026-09-16 14:35 UTCMITRE cvelistV5
- 2026-09-16 14:09 UTCEPSS rescore
- 2026-09-15 20:44 UTCGHSA enrichment
Show 5 moreShow fewer
- 2026-09-15 20:32 UTCNVD update
- 2026-09-15 20:18 UTCMITRE cvelistV5
- 2026-09-15 13:30 UTCNVD update
- 2026-09-15 12:38 UTCEG score recompute
- 2026-09-15 12:37 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-92070?
When was CVE-2026-92070 disclosed?
Is CVE-2026-92070 actively exploited?
What is the CVSS score of CVE-2026-92070?
How do I remediate CVE-2026-92070?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-92070
Is Your Infrastructure Affected by CVE-2026-92070?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.