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-399
Weakness type CWE-399 — 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 |
|---|---|---|
| 11 | 1 | 10 |
Monthly trend
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2025-11 0 · 2025-12 0 · 2026-01 0 · 2026-02 0 · 2026-03 0 · 2026-04 0 · 2026-05 0 · 2026-06 1 · 2026-07 0 · 2026-08 0 · 2026-09 0 · 2026-10 0
Top CVEs
| CVE | CVSS | EPSS %ile | KEV | Title |
|---|---|---|---|---|
| CVE-2018-0156 | 7.5 | 95.3 | KEV | Cisco IOS Software and Cisco IOS XE Software |
| CVE-2017-12231 | 7.5 | 94.1 | KEV | Cisco IOS software |
| CVE-2017-12237 | 7.5 | 94.1 | KEV | Cisco IOS and IOS XE Software |
| CVE-2018-0154 | 7.5 | 94.1 | KEV | Cisco IOS Software |
| CVE-2017-6627 | 7.5 | 93.3 | KEV | Cisco IOS and IOS XE Software |
| CVE-2018-0179 | 6.8 | 91.9 | KEV | Cisco IOS Software |
| CVE-2018-0180 | 6.8 | 91.9 | KEV | Cisco IOS Software |
| CVE-2018-0161 | 6.3 | 90.5 | KEV | Cisco IOS Software |
| CVE-2017-12232 | 6.5 | 81.6 | KEV | Cisco IOS software |
| CVE-2017-12238 | 6.5 | 80.3 | KEV | Cisco Catalyst 6800 Series Switches |
| CVE-2026-41983 | 4.3 | 13.1 | — | — |
Most-affected vendors
| Vendor | CVEs |
|---|---|
| huawei | 1 |
