Risk Scores
CVSS v3.1
7.400000095367432
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
EPSS Score
0.06%
19.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft 365 Word Copilot | - |
| microsoft | 365_word_copilot | - |
Timeline
- Jan 13, 2026 CVE Published
- Jan 23, 2026 EPSS Score
- Jan 25, 2026 EPSS Score
- Jan 27, 2026 EPSS Score
- Jan 29, 2026 EPSS Score
- Jan 31, 2026 EPSS Score
- Feb 3, 2026 EPSS Score
- Feb 5, 2026 EPSS Score
- Feb 7, 2026 EPSS Score
- Feb 9, 2026 EPSS Score
- Feb 11, 2026 EPSS Score
- Feb 13, 2026 EPSS Score
References
- Word Copilot Information Disclosure Vulnerability vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-21521 advisory