365 Copilot (Microsoft) - vulnerabilities (CVEs)

56 CVEs, 0 in the last 30 days, 45 known versions, newest CVE from 2026-09-17. Vendor: Microsoft.

CVEs of 365 Copilot

• CVE-2026-85887 - CVSS 7.7 (high), 2026-09-17: Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
• CVE-2026-85885 - CVSS 9.9 (critical), 2026-09-17: Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a…
• CVE-2026-50517 - CVSS 9.9 (critical), 2026-07-24: Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network.
• CVE-2026-58617 - CVSS 9.8 (critical), 2026-07-14: Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-50387 - CVSS 7.8 (high), 2026-07-14: Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.
• CVE-2026-48561 - CVSS 9.6 (critical), 2026-07-14: Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to…
• CVE-2026-41106 - CVSS 9.3 (critical), 2026-07-02: Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-47645 - CVSS 8.8 (high), 2026-06-19: Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to elevate privileges over a…
• CVE-2026-42895 - CVSS 7.5 (high), 2026-06-19: Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to perform tampering…
• CVE-2026-54130 - CVSS 9.8 (critical), 2026-06-18: Missing authentication for critical function in M365 Copilot allows an unauthorized attacker to disclose information over a network.
• CVE-2026-45474 - CVSS 8.4 (high), 2026-06-09: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2026-45472 - CVSS 8.4 (high), 2026-06-09: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2026-45463 - CVSS 8.4 (high), 2026-06-09: Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2026-45461 - CVSS 8.4 (high), 2026-06-09: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2026-45460 - CVSS 4.7 (medium), 2026-06-09: Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.
• CVE-2026-45497 - CVSS 8.8 (high), 2026-06-04: Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a…
• CVE-2026-42824 - CVSS 7.5 (high), 2026-06-04: Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information…
• CVE-2026-42827 - CVSS 7.5 (high), 2026-05-22: Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information…
• CVE-2026-41090 - CVSS 9.3 (critical), 2026-05-22: Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to perform tampering…
• CVE-2026-42831 - CVSS 7.8 (high), 2026-05-12: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2026-41614 - CVSS 6.2 (medium), 2026-05-12: Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
• CVE-2026-41100 - CVSS 4.4 (medium), 2026-05-12: Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
• CVE-2026-40363 - CVSS 8.4 (high), 2026-05-12: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2026-33102 - CVSS 9.3 (critical), 2026-04-23: Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-24299 - CVSS 5.3 (medium), 2026-03-19: Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information…
• CVE-2026-26133 - CVSS 7.1 (high), 2026-03-16: AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.
• CVE-2026-26134 - CVSS 7.8 (high), 2026-03-10: Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
• CVE-2026-26110 - CVSS 8.4 (high), 2026-03-10: Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2026-25180 - CVSS 5.5 (medium), 2026-03-10: Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose information locally.
• CVE-2026-24285 - CVSS 7 (high), 2026-03-10: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
• CVE-2026-24307 - CVSS 9.3 (critical), 2026-01-22: Improper validation of specified type of input in M365 Copilot allows an unauthorized attacker to disclose information over a network.
• CVE-2025-62557 - CVSS 8.4 (high), 2025-12-09: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-62554 - CVSS 8.4 (high), 2025-12-09: Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-62199 - CVSS 7.8 (high), 2025-11-11: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-60724 - CVSS 9.8 (critical), 2025-11-11: Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
• CVE-2025-59234 - CVSS 7.8 (high), 2025-10-14: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-59227 - CVSS 7.8 (high), 2025-10-14: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-53799 - CVSS 5.5 (medium), 2025-09-09: Use of uninitialized resource in Windows Imaging Component allows an unauthorized attacker to disclose information locally.
• CVE-2025-53766 - CVSS 9.8 (critical), 2025-08-12: Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
• CVE-2025-53732 - CVSS 7.8 (high), 2025-08-12: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-49702 - CVSS 7.8 (high), 2025-07-08: Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-49697 - CVSS 8.4 (high), 2025-07-08: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-49696 - CVSS 8.4 (high), 2025-07-08: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-49695 - CVSS 8.4 (high), 2025-07-08: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-32711 - CVSS 9.3 (critical), 2025-06-11: Ai command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.
• CVE-2025-47953 - CVSS 8.4 (high), 2025-06-10: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-47167 - CVSS 8.4 (high), 2025-06-10: Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-47164 - CVSS 8.4 (high), 2025-06-10: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-47162 - CVSS 8.4 (high), 2025-06-10: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-30386 - CVSS 8.4 (high), 2025-05-13: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2025-30388 - CVSS 7.8 (high), 2025-05-13: Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
• CVE-2025-26687 - CVSS 7.5 (high), 2025-04-08: Use after free in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a network.
• CVE-2024-38250 - CVSS 7.8 (high), 2024-09-10: Windows Graphics Component Elevation of Privilege Vulnerability
• CVE-2023-36565 - CVSS 7 (high), 2023-10-10: Microsoft Office Graphics Elevation of Privilege Vulnerability
• CVE-2023-23391 - CVSS 5.5 (medium), 2023-03-14: Office for Android Spoofing Vulnerability
• CVE-2021-43905 - CVSS 9.6 (critical), 2021-12-15: Microsoft Office app Remote Code Execution Vulnerability