Weekly Metasploit Update: NTLM Relay Priv Esc, MCP Server Integration, Paperclip AI RCE Chain, and more
2026-06-19T19:24:05Z•94f34fafa1244c5339e2f128b54b29ada102c716a550108a7e9d65c6acedb9a4
AI integrationCVE-2026-41679DLL side‑loadingDonut shellcodeDropping ElephantLDAP relayMCP serverNIS2NTLM relayOpenEncryptedFileRawPaperclip AIPsExecS4U2ProxyVS Code persistenceWebDAVXertearbitrary file uploadexploitin‑memory RATmetasploitntlm_relay_2_selfprivilege escalationremote code executionthreat detectionunauthenticated RCE
What happened
Rapid7 weekly update: five new Metasploit modules plus multiple research posts. Key security highlights: an unauthenticated full RCE against Paperclip AI (CVE-2026-41679) via a six‑call API chain; a new post‑exploit Windows module windows/local/ntlm_relay_2_self that coerces the local machine account (via WebDAV/OpenEncryptedFileRaw) to NTLM‑authenticate, relays that to a Domain Controller’s LDAP, writes shadow credentials and uses S4U2Proxy to obtain a Kerberos service ticket for Administrator, enabling PsExec back to SYSTEM (local privilege escalation IA); new MCP server plugin for in‑msfcon
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- rapid7_blog
- Record identifier
- 94f34fafa1244c5339e2f128b54b29ada102c716a550108a7e9d65c6acedb9a4
- Enrichment time
- 2026-06-19T19:24:05Z
- AI-assisted enrichment
- Yes
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