CVE-2018-8517 json
A denial of service vulnerability exists when .NET Framework improperly handles special web requests, aka ".NET Framework Denial Of Service…
published 2018-12-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20141
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.7%
- EPSS 5.7% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
A denial of service vulnerability exists when .NET Framework improperly handles special web requests, aka ".NET Framework Denial Of Service Vulnerability." This affects Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.
Patch / fix
Exploit prediction
5.67% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Microsoft Microsoft .NET Framework
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8517
patch, vendor-advisory
-
securityfocus.com
/bid/106075
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8517
- NVD CVE-2018-8517
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.