boxscore/security
PRODUCT · referenceProducts · latest edition

Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

Firefox

Product reference — Firefox by Mozilla · sector: Open Source Ecosystems. Cumulative disclosure record for this product across the archive.

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Product totals

Disclosures & known-exploited
All-timeYTD
CVEs383358
KEV entries90
Rate & severity
KEV/100Med CVSSMed EPSSCHML
2.38.8.0032129176770

KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.

Monthly disclosures

Trend (by first-seen month, full archive): ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▄▃█▁

Last 12 months (new CVEs by first-seen day)
MonthNew CVEs
2025-110
2025-120
2026-010
2026-021
2026-030
2026-040
2026-055
2026-0645
2026-0766
2026-0859
2026-09181
2026-101

Notable CVEs

Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.

Notable (ranked)
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2016-90797.599.8HIGHYES2018-06-11
CVE-2019-1170810.099.0CRITICALYES2019-07-23
CVE-2019-170268.898.8HIGHYES2020-03-02
CVE-2019-117078.898.5HIGHYES2019-07-23
CVE-2024-96809.897.7CRITICALYES2024-10-15
CVE-2022-264858.896.5HIGHYES2022-12-22
CVE-2020-68208.194.0HIGHYES2020-04-24
CVE-2020-68198.187.1HIGHYES2020-04-24
CVE-2022-264869.683.1CRITICALYES2022-12-22
CVE-2026-107024.357.0MEDIUM—2026-06-02
CVE-2025-497109.853.2CRITICAL—2025-06-11
CVE-2026-749879.852.2CRITICAL—2026-08-18
CVE-2026-749909.852.2CRITICAL—2026-08-18
CVE-2026-749649.851.0CRITICAL—2026-08-18
CVE-2025-497099.850.0CRITICAL—2025-06-11

Recent CVEs

Most recently seen
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2026-106016————2026-10-06
CVE-2026-1008235.43.6MEDIUM—2026-09-29
CVE-2026-1007609.622.9CRITICAL—2026-09-29
CVE-2026-1007598.123.8HIGH—2026-09-29
CVE-2026-1007889.836.3CRITICAL—2026-09-29
CVE-2026-1007927.118.6HIGH—2026-09-29
CVE-2026-1007639.132.0CRITICAL—2026-09-29
CVE-2026-1007718.123.8HIGH—2026-09-29
CVE-2026-1007949.625.5CRITICAL—2026-09-29
CVE-2026-1007936.519.4MEDIUM—2026-09-29
CVE-2026-1008088.820.7HIGH—2026-09-29
CVE-2026-1008038.17.6HIGH—2026-09-29
CVE-2026-1007988.19.5HIGH—2026-09-29
CVE-2026-1008299.617.3CRITICAL—2026-09-29
CVE-2026-1007819.623.8CRITICAL—2026-09-29

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVEKEV addedCVSSEPSS %ileSeverity
CVE-2024-96802024-10-159.897.7CRITICAL
CVE-2016-90792023-06-227.599.8HIGH
CVE-2019-117082022-05-2310.099.0CRITICAL
CVE-2019-117072022-05-238.898.5HIGH
CVE-2022-264852022-03-078.896.5HIGH
CVE-2022-264862022-03-079.683.1CRITICAL
CVE-2019-170262021-11-038.898.8HIGH
CVE-2020-68202021-11-038.194.0HIGH
CVE-2020-68192021-11-038.187.1HIGH

Related

Vendor: Mozilla — all products and the full vendor record.

Methodology

A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.

Sources. CVE Program (cvelistV5), NVD (NIST), CISA KEV, FIRST EPSS.