Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CWE-166
Weakness type CWE-166 — authoritative definition at MITRE. A cumulative reference aggregating every published CVE mapped to this weakness class; not a page of record.
Totals
| CVEs all-time | CVEs YTD | KEV all-time |
|---|---|---|
| 2 | 2 | 0 |
Monthly trend
█▁▁█▁▁▁▁▁
2026-02 1 · 2026-03 0 · 2026-04 0 · 2026-05 1 · 2026-06 0 · 2026-07 0 · 2026-08 0 · 2026-09 0 · 2026-10 0
Top CVEs
| CVE | CVSS | EPSS %ile | KEV | Title |
|---|---|---|---|---|
| CVE-2026-21218 | 7.5 | 63.4 | — | .NET Spoofing Vulnerability |
| CVE-2026-32792 | 4.6 | 32.1 | — | Packet of death with DNSCrypt |
Most-affected vendors
| Vendor | CVEs |
|---|---|
| microsoft | 1 |
| nlnet labs | 1 |