Weakness / #70
CWE-807 in CISA KEV
Answer 3 KEV entries list CWE-807 as of catalog 2026.09.23, 0.2% of the catalog and rank 70 of 185 weaknesses. The most affected vendor is Microsoft (2).
- KEV entries
- 30.2% of catalog
- Vendors
- 2affected
- Ransomware: known
- 00%
- First added
- 2025-07-07
- Latest added
- 2026-02-10
VVendors
TAdditions by year
| Year | Added |
|---|---|
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
| 2026 | 2 |
PProducts
| Product | Entries | Share |
|---|---|---|
| Microsoft Office | 2 | 66.7% |
| Synacor Zimbra Collaboration Suite (ZCS) | 1 | 33.3% |
EAll entries
| CVE | Vendor | Product | Added | Ransomware |
|---|---|---|---|---|
| CVE-2026-21514 | Microsoft | Office | Unknown | |
| CVE-2026-21509 | Microsoft | Office | Unknown | |
| CVE-2019-9621 | Synacor | Zimbra Collaboration Suite (ZCS) | Unknown |
Cite this
3 CISA KEV entries list CWE-807, 0.2% of the catalog. Source: Telemetry analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.09.23 (released 2026-09-23). https://glide-telemetry.pages.dev/cwe/cwe-807/
Source: CISA KEV catalog v2026.09.23, released 2026-09-23. Windows end 2026-09-23. Pages for weaknesses with fewer than 5 entries are excluded from search indexes.