CVE-2026-109468
ASP.NET Core Denial of Service Vulnerability
Microsoft Microsoft Visual Studio 2022 version 17.14
CVSS
7.5HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.65%Chance of exploitation activity in the next 30 days, higher than 50% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 17.14.42Microsoft Visual Studio 2022 version 17.14CVE List
- 18.10.4Microsoft Visual Studio 2026 version 18.10CVE List
- 10.0.13System.Formats.CborCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Vendor and government advisories 1
Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Text from CVE List
Affected versions 3
- Microsoft Visual Studio 2022 version 17.14affected: 17.14.0 before 17.14.42CVE List
- Microsoft Visual Studio 2026 version 18.10affected: 18.10.0 before 18.10.4CVE List
- System.Formats.Cboraffected: 10.0.0 before 10.0.13CVE List