Weakness / #3
CWE-787: Out-of-bounds write in CISA KEV
Out-of-bounds Write
Answer 106 KEV entries list CWE-787 (Out-of-bounds write) as of catalog 2026.10.30, 6% of the catalog and rank 3 of 198 weaknesses. The most affected vendor is Microsoft (26).
The software writes data past the end or before the start of a buffer, corrupting memory.
- KEV entries
- 1066% of catalog
- Vendors
- 21affected
- Ransomware: known
- 1615.1%
- First added
- 2021-11-03
- Latest added
- 2026-10-27
VVendors
TAdditions by year
| Year | Added |
|---|---|
| 2021 | 34 |
| 2022 | 35 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 11 |
| 2026 | 10 |
PProducts
| Product | Entries | Share |
|---|---|---|
| Apple Multiple Products | 13 | 12.3% |
| Microsoft Windows | 13 | 12.3% |
| Google Chromium V8 | 11 | 10.4% |
| Linux Kernel | 5 | 4.7% |
| Microsoft Internet Explorer | 5 | 4.7% |
| Apple iOS, iPadOS, and macOS | 4 | 3.8% |
| Adobe Flash Player | 4 | 3.8% |
| Microsoft Win32k | 4 | 3.8% |
EAll entries
Cite this
106 CISA KEV entries list CWE-787 (Out-of-bounds write), 6% of the catalog. Source: KEV Now analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.10.30 (released 2026-10-30). https://kevnow.com/cwe/cwe-787/
Source: CISA KEV catalog v2026.10.30, released 2026-10-30. Windows end 2026-10-30.