All 6 CVE vulnerabilities found in Microsoft 365 Copilot's Business Chat, with AI-generated Chinese analysis, references, and POCs.
Vendor: Microsoft
| CVE ID | Title | CVSS | Severity | Published |
|---|---|---|---|---|
| CVE-2026-26129 | M365 Copilot Information Disclosure Vulnerability CWE-138 | 7.5 | High | 2026-05-07 |
| CVE-2026-26164 | M365 Copilot Information Disclosure Vulnerability CWE-74 | 7.5 | High | 2026-05-07 |
| CVE-2025-59286 | Copilot Information Disclosure Vulnerability CWE-77 | 9.3 | Critical | 2025-10-09 |
| CVE-2025-59272 | Copilot Information Disclosure Vulnerability CWE-77 | 9.3 | Critical | 2025-10-09 |
| CVE-2025-53787 | Microsoft 365 Copilot BizChat Information Disclosure Vulnerability CWE-77 | 8.2 | High | 2025-08-07 |
| CVE-2025-53774 | Microsoft 365 Copilot BizChat Information Disclosure Vulnerability CWE-77 | 6.5 | Medium | 2025-08-07 |
All 6 known CVE vulnerabilities affecting Microsoft 365 Copilot's Business Chat with full Chinese analysis, references, and POCs where available.