CVE-2026-20963—Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

漏洞名称

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

描述

Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.

已知用于勒索软件活动吗？

勒索软件状态：

Unknown

采集行动

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

其他说明

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963
• https://nvd.nist.gov/vuln/detail/CVE-2026-20963

相关新闻文章

• Critical Microsoft SharePoint flaw now exploited in attacksMarch 19, 2026

相关 CWE

• CWE-502