{"id":"CVE-2026-33116","published":"2026-04-14T16:57:47Z","modified":"2026-10-15T15:52:59Z","title":".NET, .NET Framework, and Visual Studio Denial of Service Vulnerability","vendor":"Microsoft","product":".NET 10.0","tier":"tail","description":{"text":"Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.","provenance":"source","from":"CVE.org"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.02142,"percentile":0.81988,"provenance":"source"},"cwes":[{"id":"CWE-835","name":"Loop with Unreachable Exit Condition"},{"id":"CWE-400","name":"Uncontrolled Resource Consumption"},{"id":"CWE-20","name":"Improper Input Validation"},{"id":"CWE-776","name":"Improper Restriction of Recursive Entity References in DTDs"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116","tags":["vendor-advisory","patch"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-33116","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2457741","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33116.json","tags":["x_sadp-csaf-vex"]},{"url":"https://access.redhat.com/errata/RHSA-2026:13281","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:13280","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8467","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8470","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8472","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8473","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8468","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8475","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:13693","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:13283","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:13282","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8471","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8469","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8474","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:9077","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:9080","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:9205","tags":["vendor-advisory","x_refsource_REDHAT"]}],"priority":{"score":21.6,"factors":[{"name":"EPSS percentile","points":16.4},{"name":"CVSS severity","points":5.25}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":".NET 10.0","versions":[">= 10.0.0, < 10.0.6"]},{"vendor":"Microsoft","product":".NET 8.0","versions":[">= 8.0, < 8.0.26"]},{"vendor":"Microsoft","product":".NET 8.0","versions":[">= 8.0.0, < 8.0.26"]},{"vendor":"Microsoft","product":".NET 9.0","versions":[">= 9.0.0, < 9.0.15"]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5","versions":[">= 3.5.0, < 2.0.50727.8982 & 3.0.30729.8976"]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2","versions":[">= 4.7.0, < 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0"]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8","versions":[">= 4.8.0, < 2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0"]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8.1","versions":[">= 4.8.1, < 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0"]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2","versions":[">= 4.7.0, < 4.8.4801.0"]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8","versions":[">= 4.8.0, < 4.8.4801.0"]}],"affected":[{"ecosystem":"NuGet","package":"System.Security.Cryptography.Xml","vulnerableRanges":[">=10.0.0, <10.0.6",">=9.0.0, <9.0.15",">=8.0.0, <8.0.3"],"patched":["10.0.6","9.0.15","8.0.3"],"from":["GHSA-37gx-xxp4-5rgx"],"provenance":"source"}],"euvd":{"id":"EUVD-2026-22635","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-net-cwe-400"}}