What is CVE-2026-3298?

CVE-2026-3298 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Out-of-bounds write in Windows asyncio.ProacterEventLoop.sock_recvfrom_into() when using nbytes

Which CVE IDs does CVE-2026-3298 cover?

CVE-2026-3298 covers the following CVE IDs: CVE-2026-3298. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-3298High

Out-of-bounds write in Windows asyncio.ProacterEventLoop.sock_recvfrom_into() when using nbytes

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-3298 →