Attestkeep
Language: English
Sign up

Vulnerabilities / CVE-2026-32179

critical

CVE-2026-32179

MsQuic has a Remote Elevation of Privilege Vulnerability

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

GHSA9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by GHSA.

Description

### Summary Improper input validation in Microsoft QUIC allows an unauthorized attacker to elevate privileges over a network. ### Details Improper Input Validation Integer Underflow (Wrap or Wraparound) when decoding ACK frame. #### Patches - Fix underflow in ACK frame parsing - 1e6e999b ### Impact An attacker who successfully exploited this vulnerability could gain elevated privileges.

Affected packages and fixed versions

SourcePackageFixed in
nuget::GitHub Security Advisory NuGetMicrosoft.Native.Quic.MsQuic.OpenSSL, Microsoft.Native.Quic.MsQuic.Schannel, microsoft.native.quic.msquic.openssl and 1 more2.5.7, 2.4.18
alpine 3.21libmsquic2.4.18-r0
alpine 3.22libmsquic2.4.18-r0
alpine 3.23libmsquic2.4.18-r0
rapidfort alpine 3.20libmsquic2.4.18-r0
rapidfort alpine 3.21libmsquic2.4.18-r0
rapidfort alpine 3.24libmsquic2.4.18-r0
Show all 10 entries from 7 sources
SourcePackageFixed in
nuget::GitHub Security Advisory NuGetMicrosoft.Native.Quic.MsQuic.OpenSSL2.5.7, 2.4.18
nuget::GitHub Security Advisory NuGetMicrosoft.Native.Quic.MsQuic.Schannel2.5.7, 2.4.18
nuget::GitHub Security Advisory NuGetmicrosoft.native.quic.msquic.openssl2.5.7, 2.4.18
nuget::GitHub Security Advisory NuGetmicrosoft.native.quic.msquic.schannel2.5.7, 2.4.18
alpine 3.21libmsquic2.4.18-r0
alpine 3.22libmsquic2.4.18-r0
alpine 3.23libmsquic2.4.18-r0
rapidfort alpine 3.20libmsquic2.4.18-r0
rapidfort alpine 3.21libmsquic2.4.18-r0
rapidfort alpine 3.24libmsquic2.4.18-r0

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.