EUVD-2026-29588
GHSA-8gp6-w6f8-h3c5
CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network.
AnalysisAI
Heap-based buffer overflow in Windows Message Queuing (MSMQ) allows remote unauthenticated attackers on adjacent networks to execute arbitrary code with high impact to confidentiality, integrity, and availability across multiple Windows versions. Microsoft released patches via their May 2026 security update. …
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RemediationAI
Within 24 hours: Inventory all Windows systems with MSMQ service enabled across the organization; isolate or restrict network access to affected MSMQ systems from untrusted subnets if patching cannot be completed immediately. Within 7 days: Deploy Microsoft's May 2026 security update to all identified MSMQ-enabled systems; verify patch installation via Windows Update reporting or manual version verification. …
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External POC / Exploit Code
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