{"id":"CVE-2026-26127","details":"Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.","aliases":["BIT-dotnet-2026-26127","BIT-dotnet-sdk-2026-26127","GHSA-73j8-2gch-69rq"],"modified":"2026-08-18T18:38:49.114093Z","published":"2026-03-10T18:18:41.713Z","related":["ALSA-2026:4443","ALSA-2026:4445","ALSA-2026:4450","ALSA-2026:4453","ALSA-2026:4456","ALSA-2026:4458"],"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26127"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/core","events":[{"introduced":"0e06b3b745aaf3f2f96e5f163773d20f8c7f7f50"},{"fixed":"e2b5fe44512ccab32b1af106ca4bd1be9fb1ec11"},{"introduced":"e18becd6171b8eb0eb4ec7ea8a0280cacfcee36b"},{"fixed":"e2b5fe44512ccab32b1af106ca4bd1be9fb1ec11"}],"database_specific":{"cpe":["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:bcl.memory:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"10.0.0"},{"fixed":"10.0.4"},{"introduced":"9.0.0"},{"fixed":"9.0.14"}],"source":"CPE_FIELD"}}],"versions":["v11.0.0-preview.1","v9.0.13","v8.0.24","v10.0.3","v9.0.12","v8.0.23","v10.0.2","v10.0.1","v9.0.11","v8.0.22","v10.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-26127.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}