Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C | CNA (microsoft) |
- CISA KEV Not listed.
- EPSS 0.023, the 83rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:21 UTC First seen by agentprime
- 31 Oct 2026, 15:21 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-vmwf-m9c5-3jvc
- OSV: GHSA-vmwf-m9c5-3jvc
- github.com/dotnet/runtime/security/advisories/GHSA-vmwf-m9c5-3jvc
- nvd.nist.gov/vuln/detail/CVE-2026-32178
- github.com/dotnet/announcements/issues/12345
- github.com/dotnet/runtime
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178