Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Microsoft.AspNetCore.App.Runtime packages for win-arm, win-arm64, win-x64, and win-x86 are vulnerable in versions 8.0.0 up to 8.0.8, according to the advisory. An unauthenticated attacker can send requests to the ASP.NET HTTP.sys web server to trigger a denial of service. Upgrade to version 8.0.8 or later.
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:N/I:N/A:H/E:U/RL:O/RC:C | CNA (microsoft) |
- CISA KEV Not listed.
- EPSS 0.027, the 86th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 13 Aug 2024, 18:27 UTC Published by the maintainers as a GitHub repository advisory
- 31 Oct 2026, 15:23 UTC First seen by agentprime
- 31 Oct 2026, 15:23 UTC Confirmed by OSV