{"schema_version":1,"title":"Microsoft 365 Copilot vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 12 vulnerabilities in Microsoft 365 Copilot: 0 in the last 7 days and 4 in the last 90 days, 4 of them critical and 0 exploited in the wild. The most recent, CVE-2026-85885, was published on 17 September 2026.","url":"https://junglewise.ai/threats/technologies/365-copilot","json_url":"https://junglewise.ai/threats/technologies/365-copilot.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/365-copilot","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":6,"all_time":12,"critical":4,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":4,"last_365_days":10},"latest":[{"cve":"CVE-2026-85885","cvss":9.9,"epss":0.0099,"slug":"cve-2026-85885-improper-neutralization-of-special-elements-used-in-a-command","title":"Microsoft M365 Copilot command injection privilege escalation","severity":"critical","exploited":false,"published_at":"2026-09-17T23:18:53.08+00:00","url":"https://junglewise.ai/threats/cve-2026-85885-improper-neutralization-of-special-elements-used-in-a-command"},{"cve":"CVE-2026-78501","cvss":7.4,"epss":0.0089,"slug":"cve-2026-78501-microsoft-365-copilot-business-chat-command-injection","title":"Microsoft 365 Copilot Business Chat command injection","severity":"high","exploited":false,"published_at":"2026-09-17T23:18:45.77+00:00","url":"https://junglewise.ai/threats/cve-2026-78501-microsoft-365-copilot-business-chat-command-injection"},{"cve":"CVE-2026-48561","cvss":9.6,"slug":"cve-2026-48561-microsoft-copilot-command-injection-in-mobile-applications","title":"Microsoft Copilot command injection in mobile applications","severity":"critical","exploited":false,"published_at":"2026-07-14T17:16:49.753+00:00","url":"https://junglewise.ai/threats/cve-2026-48561-microsoft-copilot-command-injection-in-mobile-applications"},{"cve":"CVE-2026-41106","cvss":9.3,"slug":"cve-2026-41106-microsoft-m365-copilot-open-redirect-privilege-escalation","title":"Microsoft M365 Copilot open redirect privilege escalation","severity":"critical","exploited":false,"published_at":"2026-07-02T23:16:50.867+00:00","url":"https://junglewise.ai/threats/cve-2026-41106-microsoft-m365-copilot-open-redirect-privilege-escalation"},{"cve":"CVE-2026-42895","cvss":6.5,"slug":"cve-2026-42895-microsoft-copilot-command-injection","title":"Microsoft Copilot command injection","severity":"medium","exploited":false,"published_at":"2026-06-19T21:16:43.413+00:00","url":"https://junglewise.ai/threats/cve-2026-42895-microsoft-copilot-command-injection"},{"cve":"CVE-2026-54130","cvss":9.8,"slug":"cve-2026-54130-microsoft-365-copilot-missing-authentication-for-critical","title":"Microsoft 365 Copilot missing authentication for critical function","severity":"critical","exploited":false,"published_at":"2026-06-18T22:16:32.223+00:00","url":"https://junglewise.ai/threats/cve-2026-54130-microsoft-365-copilot-missing-authentication-for-critical"},{"cve":"CVE-2026-41100","cvss":4.4,"epss":0.0004,"slug":"cve-2026-41100-microsoft-m365-copilot-improper-access-control-spoofing","title":"Microsoft M365 Copilot improper access control spoofing","severity":"medium","exploited":false,"published_at":"2026-05-12T18:17:21.507+00:00","url":"https://junglewise.ai/threats/cve-2026-41100-microsoft-m365-copilot-improper-access-control-spoofing"},{"cve":"CVE-2026-26164","cvss":7.5,"epss":0.001,"slug":"cve-2026-26164-microsoft-m365-copilot-command-injection-information-disclosure","title":"Microsoft M365 Copilot command injection information disclosure","severity":"high","exploited":false,"published_at":"2026-05-07T22:16:33.773+00:00","url":"https://junglewise.ai/threats/cve-2026-26164-microsoft-m365-copilot-command-injection-information-disclosure"},{"cve":"CVE-2026-26134","cvss":7.8,"epss":0.0005,"slug":"cve-2026-26134-microsoft-office-integer-overflow-in-android-app","title":"Microsoft Office integer overflow in Android app","severity":"high","exploited":false,"published_at":"2026-03-10T18:18:42.803+00:00","url":"https://junglewise.ai/threats/cve-2026-26134-microsoft-office-integer-overflow-in-android-app"},{"cve":"CVE-2025-59234","cvss":7.8,"epss":0.0006,"slug":"cve-2025-59234-microsoft-office-use-after-free-local-code-execution","title":"Microsoft Office use after free local code execution","severity":"high","exploited":false,"published_at":"2025-10-14T17:16:05.013+00:00","url":"https://junglewise.ai/threats/cve-2025-59234-microsoft-office-use-after-free-local-code-execution"},{"cve":"CVE-2025-53732","cvss":7.8,"epss":0.0025,"slug":"cve-2025-53732-microsoft-office-heap-overflow-in-android-and-universal-versions","title":"Microsoft Office heap overflow in Android and Universal versions","severity":"high","exploited":false,"published_at":"2025-08-12T18:15:43.057+00:00","url":"https://junglewise.ai/threats/cve-2025-53732-microsoft-office-heap-overflow-in-android-and-universal-versions"},{"cve":"CVE-2025-47167","cvss":8.4,"epss":0.0131,"slug":"cve-2025-47167-microsoft-office-type-confusion-code-execution","title":"Microsoft Office type confusion code execution","severity":"high","exploited":false,"published_at":"2025-06-10T17:23:41.107+00:00","url":"https://junglewise.ai/threats/cve-2025-47167-microsoft-office-type-confusion-code-execution"}],"weekly":[{"week":"2026-06-29","critical":1,"exploited":0,"vulnerabilities":1},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":1,"exploited":0,"vulnerabilities":1},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":1,"exploited":0,"vulnerabilities":2},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Microsoft Windows","slug":"windows-","vulnerabilities":963,"url":"https://junglewise.ai/threats/technologies/windows-"},{"name":"Microsoft Windows 10","slug":"windows-10","vulnerabilities":588,"url":"https://junglewise.ai/threats/technologies/windows-10"},{"name":"Microsoft Windows 11","slug":"windows-11","vulnerabilities":493,"url":"https://junglewise.ai/threats/technologies/windows-11"},{"name":"Microsoft Windows Server 2012","slug":"windows-server-2012","vulnerabilities":293,"url":"https://junglewise.ai/threats/technologies/windows-server-2012"},{"name":"Microsoft Windows Server 2016","slug":"windows-server-2016","vulnerabilities":213,"url":"https://junglewise.ai/threats/technologies/windows-server-2016"},{"name":"Microsoft Windows Server 2019","slug":"windows-server-2019","vulnerabilities":211,"url":"https://junglewise.ai/threats/technologies/windows-server-2019"},{"name":"Microsoft Windows 11 24h2","slug":"windows-11-24h2","vulnerabilities":192,"url":"https://junglewise.ai/threats/technologies/windows-11-24h2"},{"name":"Microsoft Windows Server 2022","slug":"windows-server-2022","vulnerabilities":178,"url":"https://junglewise.ai/threats/technologies/windows-server-2022"},{"name":"Microsoft Edge","slug":"edge-chromium-based","vulnerabilities":167,"url":"https://junglewise.ai/threats/technologies/edge-chromium-based"},{"name":"Microsoft Windows 11 25h2","slug":"windows-11-25h2","vulnerabilities":161,"url":"https://junglewise.ai/threats/technologies/windows-11-25h2"},{"name":"Microsoft Windows 11 Version 26H1","slug":"windows-11-version-26h1","vulnerabilities":135,"url":"https://junglewise.ai/threats/technologies/windows-11-version-26h1"},{"name":"Microsoft Windows Server 2025","slug":"windows-server-2025","vulnerabilities":124,"url":"https://junglewise.ai/threats/technologies/windows-server-2025"}],"technology":{"hub":true,"name":"Microsoft 365 Copilot","slug":"365-copilot","vendor":{"name":"Microsoft","slug":"microsoft","url":"https://junglewise.ai/threats/vendors/microsoft"},"aliases":[],"category":"application","homepage":"https://www.microsoft.com/en-us/microsoft-365/copilot","description":"Microsoft 365 Copilot is an artificial intelligence assistant integrated into Microsoft 365 applications and services.","url":"https://junglewise.ai/threats/technologies/365-copilot"},"most_severe":[{"cve":"CVE-2026-85885","cvss":9.9,"epss":0.0099,"slug":"cve-2026-85885-improper-neutralization-of-special-elements-used-in-a-command","title":"Microsoft M365 Copilot command injection privilege escalation","severity":"critical","exploited":false,"published_at":"2026-09-17T23:18:53.08+00:00","url":"https://junglewise.ai/threats/cve-2026-85885-improper-neutralization-of-special-elements-used-in-a-command"},{"cve":"CVE-2026-54130","cvss":9.8,"slug":"cve-2026-54130-microsoft-365-copilot-missing-authentication-for-critical","title":"Microsoft 365 Copilot missing authentication for critical function","severity":"critical","exploited":false,"published_at":"2026-06-18T22:16:32.223+00:00","url":"https://junglewise.ai/threats/cve-2026-54130-microsoft-365-copilot-missing-authentication-for-critical"},{"cve":"CVE-2026-48561","cvss":9.6,"slug":"cve-2026-48561-microsoft-copilot-command-injection-in-mobile-applications","title":"Microsoft Copilot command injection in mobile applications","severity":"critical","exploited":false,"published_at":"2026-07-14T17:16:49.753+00:00","url":"https://junglewise.ai/threats/cve-2026-48561-microsoft-copilot-command-injection-in-mobile-applications"},{"cve":"CVE-2026-41106","cvss":9.3,"slug":"cve-2026-41106-microsoft-m365-copilot-open-redirect-privilege-escalation","title":"Microsoft M365 Copilot open redirect privilege escalation","severity":"critical","exploited":false,"published_at":"2026-07-02T23:16:50.867+00:00","url":"https://junglewise.ai/threats/cve-2026-41106-microsoft-m365-copilot-open-redirect-privilege-escalation"},{"cve":"CVE-2025-47167","cvss":8.4,"epss":0.0131,"slug":"cve-2025-47167-microsoft-office-type-confusion-code-execution","title":"Microsoft Office type confusion code execution","severity":"high","exploited":false,"published_at":"2025-06-10T17:23:41.107+00:00","url":"https://junglewise.ai/threats/cve-2025-47167-microsoft-office-type-confusion-code-execution"},{"cve":"CVE-2025-53732","cvss":7.8,"epss":0.0025,"slug":"cve-2025-53732-microsoft-office-heap-overflow-in-android-and-universal-versions","title":"Microsoft Office heap overflow in Android and Universal versions","severity":"high","exploited":false,"published_at":"2025-08-12T18:15:43.057+00:00","url":"https://junglewise.ai/threats/cve-2025-53732-microsoft-office-heap-overflow-in-android-and-universal-versions"},{"cve":"CVE-2025-59234","cvss":7.8,"epss":0.0006,"slug":"cve-2025-59234-microsoft-office-use-after-free-local-code-execution","title":"Microsoft Office use after free local code execution","severity":"high","exploited":false,"published_at":"2025-10-14T17:16:05.013+00:00","url":"https://junglewise.ai/threats/cve-2025-59234-microsoft-office-use-after-free-local-code-execution"},{"cve":"CVE-2026-26134","cvss":7.8,"epss":0.0005,"slug":"cve-2026-26134-microsoft-office-integer-overflow-in-android-app","title":"Microsoft Office integer overflow in Android app","severity":"high","exploited":false,"published_at":"2026-03-10T18:18:42.803+00:00","url":"https://junglewise.ai/threats/cve-2026-26134-microsoft-office-integer-overflow-in-android-app"},{"cve":"CVE-2026-26164","cvss":7.5,"epss":0.001,"slug":"cve-2026-26164-microsoft-m365-copilot-command-injection-information-disclosure","title":"Microsoft M365 Copilot command injection information disclosure","severity":"high","exploited":false,"published_at":"2026-05-07T22:16:33.773+00:00","url":"https://junglewise.ai/threats/cve-2026-26164-microsoft-m365-copilot-command-injection-information-disclosure"},{"cve":"CVE-2026-78501","cvss":7.4,"epss":0.0089,"slug":"cve-2026-78501-microsoft-365-copilot-business-chat-command-injection","title":"Microsoft 365 Copilot Business Chat command injection","severity":"high","exploited":false,"published_at":"2026-09-17T23:18:45.77+00:00","url":"https://junglewise.ai/threats/cve-2026-78501-microsoft-365-copilot-business-chat-command-injection"}],"generated_at":"2026-09-26T11:07:00.153785+00:00"}