Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code locally.

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing and fully testing a comprehensive update to address this vulnerability. In the meantime, please make sure that the mitigation provided in this CVE documentation is in place so that you are protected from exploitation.

Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Improper privilege management in Microsoft Office SharePoint allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.

Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.