CVE-2026-45659
HIGH CISA KEVDescription
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVSS v3.1 Score
EPSS — Exploit Prediction
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild.
Weakness Type (CWE)
Affected Products
| Vendor | Product |
|---|---|
| microsoft | sharepoint_server |
| microsoft | sharepoint_server |
| microsoft | sharepoint_server |
References
Advisories & Patches
Frequently Asked Questions
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