Skip to contentMicrosoft 365 Copilot vulnerabilities
- microsoft 365 copilotM365 Copilot Information Disclosure VulnerabilityCVE-2026-858877.7 High
- microsoft 365 copilot's business chat, 365 copilot chat +1 moreMicrosoft 365 Copilot Business Chat Information Disclosure VulnerabilityCVE-2026-785018.6 High
- microsoft 365 copilotMicrosoft 365 Copilot Elevation of Privilege VulnerabilityCVE-2026-858859.9 Critical
- microsoft 365 copilotMicrosoft M365 Copilot Remote Code Execution VulnerabilityCVE-2026-505179.9 Critical
- microsoft 365 copilot, 365 copilot for ios +1 moreM365 Copilot for iOS Elevation of Privilege VulnerabilityCVE-2026-586178.1 High
- microsoft 365 copilotMicrosoft 365 Copilot Elevation of Privilege VulnerabilityCVE-2026-411069.3 Critical
- microsoft 365 copilotMicrosoft 365 Copilot's Business Chat Elevation of Privilege VulnerabilityCVE-2026-476458.8 High
- microsoft 365 copilotMicrosoft Copilot Tampering VulnerabilityCVE-2026-428956.5 Medium
- microsoft 365 copilotM365 Copilot Information Disclosure VulnerabilityCVE-2026-541309.8 Critical
- microsoft copilot, 365 copilot +1 moreMicrosoft M365 Copilot Remote Code Execution VulnerabilityCVE-2026-454977.7 High
- microsoft copilot, 365 copilot +1 moreM365 Copilot Information Disclosure VulnerabilityCVE-2026-428246.5 Medium
- microsoft 365 copilot, 365 copilot for ios +1 moreMicrosoft Copilot Tampering VulnerabilityCVE-2026-410909.3 Critical
- microsoft 365 copilotM365 Copilot Information Disclosure VulnerabilityCVE-2026-428276.5 Medium
- microsoft 365 copilot, 365 copilot for android, excel for android +4 more +6 moreMicrosoft 365 Copilot for Android Spoofing VulnerabilityCVE-2026-411004.4 Medium
- microsoft 365 copilot chat, 365 copilot's business chat +1 moreM365 Copilot Information Disclosure VulnerabilityCVE-2026-261297.5 High
- microsoft 365 copilot chat, 365 copilot's business chat +1 moreM365 Copilot Information Disclosure VulnerabilityCVE-2026-261647.5 High
- microsoft 365 copilotMicrosoft 365 Copilot Elevation of Privilege VulnerabilityCVE-2026-331029.3 Critical
- microsoft 365 copilotM365 Copilot Information Disclosure VulnerabilityCVE-2026-242995.3 Medium
- microsoft 365 copilot, edge, excel +26 more +28 moreM365 Copilot Information Disclosure VulnerabilityCVE-2026-261337.1 High
- microsoft 365 copilotM365 Copilot Information Disclosure VulnerabilityCVE-2026-243079.3 Critical
- microsoft 365 copilot chat, 365 copilot's business chat +1 moreCopilot Information Disclosure VulnerabilityCVE-2025-592869.3 Critical
- microsoft 365 copilot chat, 365 copilot's business chat +1 moreCopilot Information Disclosure VulnerabilityCVE-2025-592729.3 Critical
- microsoft 365 copilot chat, 365 copilot's business chat +1 moreMicrosoft 365 Copilot BizChat Information Disclosure VulnerabilityCVE-2025-537878.2 High
- microsoft 365 copilot chat, 365 copilot's business chat +1 moreMicrosoft 365 Copilot BizChat Information Disclosure VulnerabilityCVE-2025-537746.5 Medium
- microsoft 365 copilotM365 Copilot Information Disclosure VulnerabilityCVE-2025-32711Public exploit9.3 Critical