CVE-2018-0787
1.1, and 2.0 allow an elevation of privilege vulnerability due to how web applications that are created from templates validate web requests, aka "ASP.NET Core Elevation Of Privilege Vulnerability".
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (9.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to how web applications that are created from templates validate web requests, aka "ASP.NET Core Elevation Of Privilege Vulnerability".
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 9.57% probability · 95th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-640
- Affected
- microsoft/asp.net core
- Source
- secure@microsoft.com
EPSS 9.6% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/103282Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040525Third Party Advisory, VDB Entry
- https://github.com/aspnet/Announcements/issues/295Technical Description, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0787Patch, Vendor Advisory
- http://www.securityfocus.com/bid/103282Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040525Third Party Advisory, VDB Entry
- https://github.com/aspnet/Announcements/issues/295Technical Description, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0787Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.