CVE-2026-34329
Microsoft Message Queuing (MSMQ) Remote Code Execution vulnerability
MSRC advisory May 12, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-34329
- Affected products
- Microsoft Message Queuing (MSMQ) Remote Code Execution · Microsoft Microsoft Message Queuing (MSMQ) Remote Code Execution · Microsoft
What happened
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network.
What it means for your business
Microsoft Message Queuing (MSMQ) Remote Code Execution vulnerability (CVE-2026-34329) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
EPSS probability
0.46%
Sources
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