CVE-2026-32179

critical

Published 2026-04-16 · Modified 2026-05-08

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CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

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not yet in upstream

VIR risk

9.5

Description

MsQuic has a Remote Elevation of Privilege Vulnerability

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
NuGet	Microsoft.Native.Quic.MsQuic.OpenSSL	`>=2.5.0-ci.532574,<2.5.7`	`2.5.7`
NuGet	Microsoft.Native.Quic.MsQuic.Schannel	`>=2.5.0-ci.532574,<2.5.7`	`2.5.7`
NuGet	Microsoft.Native.Quic.MsQuic.Schannel	`<2.4.18`	`2.4.18`
NuGet	Microsoft.Native.Quic.MsQuic.OpenSSL	`<2.4.18`	`2.4.18`
NUGET	Microsoft.Native.Quic.MsQuic.OpenSSL	`< 2.4.18`	`2.4.18`
NUGET	Microsoft.Native.Quic.MsQuic.Schannel	`< 2.4.18`	`2.4.18`
NUGET	Microsoft.Native.Quic.MsQuic.Schannel	`>= 2.5.0-ci.532574, < 2.5.7`	`2.5.7`
NUGET	Microsoft.Native.Quic.MsQuic.OpenSSL	`>= 2.5.0-ci.532574, < 2.5.7`	`2.5.7`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.