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9.8CRITICALCISA KEV — actively exploitedCERT-In CIAD-2026-0041

CVE-2026-1842 — Microsoft Message Queuing Remote Code Execution

Microsoft · Microsoft MSMQ · Published 15 Jul 2026 · Modified 22 Jul 2026

Description

A critical RCE vulnerability in Microsoft MSMQ allows unauthenticated attackers to execute arbitrary code remotely.

References

What to do
  1. Check whether Microsoft MSMQ is in your asset inventory.
  2. Exploitation confirmed — patch within 72 hours.
  3. Record the decision in your risk register for audit evidence.
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Link: adminadda.com/cve/CVE-2026-1842