{"id":"CVE-2026-121960","title":"FreeRDP before 3.32.2 Unauthenticated Denial of Service via CredSSP TSRequest","summary":"FreeRDP before 3.32.2 contains a denial of service vulnerability in the NLA-enabled shadow server when a CredSSP TSRequest omits negoTokens. Unauthenticated attackers can send a crafted seven-byte TSRequest containing only the version fi…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-617"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-11-04T18:26:56.031917Z"},"exploitAvailable":true,"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T18:27:22.168Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121960","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3pg4-5r42-wxvj","label":"GitHub Security Advisory (GHSA-3pg4-5r42-wxvj)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-unauthenticated-denial-of-service-via-credssp-tsrequest","label":"VulnCheck Advisory: FreeRDP before 3.32.2 Unauthenticated Denial of Service via CredSSP TSRequest"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-11-05T21:36:00.488Z","epss":0.00557,"epssPercentile":0.46653,"slug":"CVE-2026-121960","body":"## Overview\n\nFreeRDP before 3.32.2 contains a denial of service vulnerability in the NLA-enabled shadow server when a CredSSP TSRequest omits negoTokens. Unauthenticated attackers can send a crafted seven-byte TSRequest containing only the version field to trigger a fatal WINPR_ASSERT and abort the server process.\n\n## Affected\n\n- `FreeRDP < 3.32.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}