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Researchers Disclose AI-Assisted SharePoint Exploit Chain Reaching Unauthenticated RCE

The Hacker News·August 11, 2026·1 min read
Researchers Disclose AI-Assisted SharePoint Exploit Chain Reaching Unauthenticated RCE

Security researchers disclosed an AI-assisted SharePoint exploit chain reaching unauthenticated remote code execution. The flaw, CVE-2026-55040 with CVSS 9.1, affects SharePoint Server Subscription Edition, 2019, and 2016. A significant part of the work was done through an AI agent, allowing attackers to enter as any user including administrator with no valid account.

Read at The Hacker News
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