SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2026-45591

Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.

HIGH 7.5EPSS 2.48%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.48% probability · 84th percentile
CISA KEV
Not listed
Weakness
CWE-400, CWE-770
Affected
microsoft/asp.net core · microsoft/visual studio 2026 · microsoft/.net
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.