GHSA-92f5-vc22-8j33

ghsaUSosv

Microsoft QUIC: Remote Code Execution Vulnerability

view advisory published 2026-09-08Licence: CC-BY-4.0

# Summary Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network. # Details New network path creations and removals triggered by incoming packets can lead to a pointer invalidation. ## Patches - Guard path promotion [e0f55b5](https://github.com/microsoft/msquic/commit/e0f55b5fdc9fff0b4465976d066ebd22fb7e2b3b) # Impact An unauthenticated attacker could exploit this vulnerability by sending a specially crafted packet to an affected service over the network. Successful exploitation could allow the attacker to execute code on the target system. No authentication or user interaction is required.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-62815US——
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
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references

External citations — patches, advisories, analysis.

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