GHSA-gvvw-8j96-8g5r
Suggest an improvement- Source
- https://github.com/advisories/GHSA-gvvw-8j96-8g5r
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-gvvw-8j96-8g5r/GHSA-gvvw-8j96-8g5r.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-gvvw-8j96-8g5r
- Aliases
-
- CVE-2026-32179
- Published
- 2026-04-16T01:04:03Z
- Modified
- 2026-05-08T15:32:31.863480Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- MsQuic has a Remote Elevation of Privilege Vulnerability
- Details
-
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.
- Database specific
{ "cwe_ids": [ "CWE-191" ], "github_reviewed": true, "github_reviewed_at": "2026-04-16T01:04:03Z", "nvd_published_at": null, "severity": "CRITICAL" }- References
Affected packages
NuGet
Microsoft.Native.Quic.MsQuic.OpenSSL
Package
- Name
- Microsoft.Native.Quic.MsQuic.OpenSSL
- View open source insights on deps.dev
- Purl
- pkg:nuget/Microsoft.Native.Quic.MsQuic.OpenSSL
Microsoft.Native.Quic.MsQuic.Schannel
Package
- Name
- Microsoft.Native.Quic.MsQuic.Schannel
- View open source insights on deps.dev
- Purl
- pkg:nuget/Microsoft.Native.Quic.MsQuic.Schannel
Microsoft.Native.Quic.MsQuic.Schannel
Package
- Name
- Microsoft.Native.Quic.MsQuic.Schannel
- View open source insights on deps.dev
- Purl
- pkg:nuget/Microsoft.Native.Quic.MsQuic.Schannel
Microsoft.Native.Quic.MsQuic.OpenSSL
Package
- Name
- Microsoft.Native.Quic.MsQuic.OpenSSL
- View open source insights on deps.dev
- Purl
- pkg:nuget/Microsoft.Native.Quic.MsQuic.OpenSSL