VendorsMicrosoft365_copilot_chatany version
Vulnerabilities

Microsoft 365 Copilot Chat any version

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

7CVEs
CVE-2026-26137
Microsoft Exchange Elevation of Privilege Vulnerability
Published 2026-03-19 · Modified
9.9EPSS 0.007
CVE-2025-59272
Copilot Information Disclosure Vulnerability
Published 2025-10-09 · Modified
9.3EPSS 0.006
CVE-2025-59286
Copilot Information Disclosure Vulnerability
Published 2025-10-09 · Modified
9.3EPSS 0.006
CVE-2025-53787
Microsoft 365 Copilot BizChat Information Disclosure Vulnerability
Published 2025-08-07 · Analyzed
8.2EPSS 0.007
CVE-2026-26129
M365 Copilot Information Disclosure Vulnerability
Published 2026-05-07 · Modified
7.5EPSS 0.010
CVE-2026-26164
M365 Copilot Information Disclosure Vulnerability
Published 2026-05-07 · Modified
7.5EPSS 0.010
CVE-2025-53774
Microsoft 365 Copilot BizChat Information Disclosure Vulnerability
Published 2025-08-07 · Analyzed
7.5EPSS 0.006