Vulnerabilities of Microsoft Microsoft 365 Copilot
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-85887 | Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose… | 7.7 High | Sep 17, 2026 |
| CVE-2026-85885 | Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized… | 9.9 Critical | Sep 17, 2026 |
| CVE-2026-50517 | Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network | 9.9 Critical | Jul 24, 2026 |
| CVE-2026-41106 | Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate… | 9.3 Critical | Jul 2, 2026 |
| CVE-2026-47645 | Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized… | 8.8 High | Jun 19, 2026 |
| CVE-2026-42895 | Microsoft Copilot Tampering Vulnerability | 6.5 Medium | Jun 19, 2026 |
| CVE-2026-54130 | M365 Copilot Information Disclosure Vulnerability | 9.8 Critical | Jun 18, 2026 |
| CVE-2026-42824 | Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an… | 6.5 Medium | Jun 4, 2026 |
| CVE-2026-45497 | Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an… | 7.7 High | Jun 4, 2026 |
| CVE-2026-42827 | Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an… | 6.5 Medium | May 22, 2026 |
| CVE-2026-33102 | Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate… | 9.3 Critical | Apr 23, 2026 |
| CVE-2026-24299 | Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an… | 5.3 Medium | Mar 19, 2026 |
| CVE-2026-24307 | Improper validation of specified type of input in M365 Copilot allows an unauthorized attacker to disclose information… | 9.3 Critical | Jan 22, 2026 |
| CVE-2025-32711 | M365 Copilot Information Disclosure Vulnerability | 9.3 Critical | Jun 11, 2025 |
Other Microsoft products
Windows Server 2019 5745
Windows Server 2019 (Server Core installation) 5648
Windows 10 Version 1809 5349
Windows Server 2022 5112
Windows Server 2016 5051
Windows Server 2016 (Server Core installation) 4847
Windows 10 Version 21H2 4539
Windows 10 Version 1607 4535
Windows Server 2012 R2 4103
Windows 10 Version 22H2 4041
Windows Server 2012 R2 (Server Core installation) 3958
Windows Server 2012 3865