Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Product reference — Libexpat by Libexpat Project · sector: Other. Cumulative disclosure record for this product across the archive.
| All-time | YTD | |
|---|---|---|
| CVEs | 15 | 15 |
| KEV entries | 0 | 0 |
| KEV/100 | Med CVSS | Med EPSS | C | H | M | L |
|---|---|---|---|---|---|---|
| 0.0 | 6.9 | .0013 | 0 | 1 | 14 | 0 |
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.
Trend (by first-seen month, full archive): █▁▂
| Month | New CVEs |
|---|---|
| 2026-06 | 13 |
| 2026-07 | 0 |
| 2026-08 | 2 |
Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2026-66046 | 8.7 | 49.5 | HIGH | — | 2026-08-18 |
| CVE-2026-50219 | 5.9 | 21.3 | MEDIUM | — | 2026-06-04 |
| CVE-2026-72522 | 6.2 | 7.5 | MEDIUM | — | 2026-08-10 |
| CVE-2026-56410 | 6.9 | 3.8 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56411 | 6.9 | 3.8 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56412 | 5.9 | 3.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56131 | 4.9 | 3.4 | MEDIUM | — | 2026-06-19 |
| CVE-2026-56406 | 6.9 | 3.3 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56409 | 6.5 | 3.4 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56403 | 6.9 | 2.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56404 | 6.9 | 2.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56405 | 6.9 | 2.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56408 | 6.9 | 2.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56407 | 6.9 | 2.5 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56132 | 6.9 | 1.3 | MEDIUM | — | 2026-06-19 |
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2026-66046 | 8.7 | 49.5 | HIGH | — | 2026-08-18 |
| CVE-2026-72522 | 6.2 | 7.5 | MEDIUM | — | 2026-08-10 |
| CVE-2026-56412 | 5.9 | 3.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56411 | 6.9 | 3.8 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56410 | 6.9 | 3.8 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56409 | 6.5 | 3.4 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56408 | 6.9 | 2.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56407 | 6.9 | 2.5 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56406 | 6.9 | 3.3 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56405 | 6.9 | 2.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56404 | 6.9 | 2.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56403 | 6.9 | 2.6 | MEDIUM | — | 2026-06-21 |
| CVE-2026-56132 | 6.9 | 1.3 | MEDIUM | — | 2026-06-19 |
| CVE-2026-56131 | 4.9 | 3.4 | MEDIUM | — | 2026-06-19 |
| CVE-2026-50219 | 5.9 | 21.3 | MEDIUM | — | 2026-06-04 |
No entries in the CISA KEV catalog.
Vendor: Libexpat Project — all products and the full vendor record.
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.