High severity · published Oct 15, 2026
CVE-2026-109468
ASP.NET Core Denial of Service Vulnerability
7.5
CVSS
1%
EPSS
No
On KEV
Description
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MV
Microsoft Visual Studio 2022 version 17.14 · Microsoft
17.14.0 before 17.14.42 · source: vendor
MV
Microsoft Visual Studio 2026 version 18.10 · Microsoft
18.10.0 before 18.10.4 · source: vendor
SY
System.Formats.Cbor · Microsoft
10.0.0 before 10.0.13 · source: vendor
Affected product
MV
Microsoft Visual Studio 2022 version 17.14
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109468
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109468
msrc.microsoft.com
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109468
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