Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CWE-691
Weakness type CWE-691 — 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 |
|---|---|---|
| 8 | 6 | 0 |
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 1 · 2026-06 0 · 2026-07 0 · 2026-08 3 · 2026-09 1 · 2026-10 1
Top CVEs
| CVE | CVSS | EPSS %ile | KEV | Title |
|---|---|---|---|---|
| CVE-2021-0157 | 6.7 | 87.5 | — | — |
| CVE-2026-43503 | 8.8 | 80.3 | — | net: skbuff: propagate shared-frag marker through frag-transfer helpers |
| CVE-2026-20271 | 8.6 | 39.0 | — | Cisco IOS XE Software Security Hardening Release |
| CVE-2026-79033 | 8.8 | 34.1 | — | — |
| CVE-2020-12359 | 6.8 | 23.2 | — | — |
| CVE-2026-20276 | 8.6 | 17.6 | — | Cisco IOS XR Software Security Hardening Release: September 2026 |
| CVE-2025-51675 | 7.5 | 16.9 | — | — |
| CVE-2026-76469 | 7.4 | 3.7 | — | Cisco Meraki Security Hardening Release: October 2026 Insufficient Control Flow Managem… |
