Weekly Metasploit Update: NTLM Relay Priv Esc, MCP Server Integration, Paperclip AI RCE Chain, and more
2026-06-22T19:23:46Z•b5686684d6341855767ac4655d694d13ac46e4be6859742152cf908d0370f6a8
CVE-2026-41679ai-integrationexploitkerberoslocal-privilege-escalationmcp-servermetasploitntlm-relaypaperclip-aipsexecremote-code-executions4u2proxyshadow-credentialsunauthenticated-rcexerte-online-toolkits
What happened
Rapid7 released a Metasploit update adding five new modules, notably an unauthenticated full RCE exploit for Paperclip AI (CVE-2026-41679) that achieves remote code execution via a six-API-call chain, plus a Windows local privilege escalation module (windows/local/ntlm_relay_2_self) that coerces machine account authentication over WebDAV, relays NTLM to a Domain Controller LDAP service, writes Shadow Credentials, obtains a Kerberos service ticket via S4U2Proxy, and uses PsExec to gain SYSTEM. The release also introduces an MCP server plugin for AI-assisted msfconsole operations and richer mod‑
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- rapid7_blog
- Record identifier
- b5686684d6341855767ac4655d694d13ac46e4be6859742152cf908d0370f6a8
- Enrichment time
- 2026-06-22T19:23:46Z
- AI-assisted enrichment
- Yes
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