CVE-2026-114148 ASP.NET Core - Privilege Escalation

ASP.NET Core contains a privilege escalation caused by incorrect default permissions, letting authorized attackers elevate privileges locally, exploit requires attacker to be authorized.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
EPSS
0.36% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-276

Vendor fix

Update to the latest version of ASP.NET Core.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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