{"id":"CVE-2026-121953","aliases":[],"cve":{"records":[{"id":"CVE-2026-121953","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-04T12:46:55.473Z","published":"2026-11-04T15:33:18.795Z","modified":"2026-11-04T18:38:57.583Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-11-04T15:33:18.795Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-04T18:38:57.583Z"}],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6wqx-rv3q-vcxp","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-rdpgfx-dynamic-virtual-channel-close","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6wqx-rv3q-vcxp","tags":["exploit"],"source":"CISA-ADP"}],"weaknesses":[{"id":"CWE-416","description":"Use After Free","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*","versionEndExcluding":"3.32.2"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-04T18:37:48.291764Z","decisions":[{"name":"Exploitation","value":"poc"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"total"}]}]},"title":"FreeRDP before 3.32.2 Use-After-Free via rdpgfx Dynamic Virtual Channel Close","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"FreeRDP before 3.32.2 has a use-after-free in the client's rdpgfx dynamic virtual channel: a duplicate-name channel with a new ChannelId overwrites the listener's single callback slot, which rdpgfx_on_close frees without clearing. A malicious RDP server can open and close such a channel, then send a PDU on the original channel to crash the client or potentially execute code.","score":9.8,"severity":"critical","published":"2026-11-04T15:33:18.795Z","modified":"2026-11-04T18:38:57.583Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"FreeRDP","name":"FreeRDP","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"3.32.2","versionType":"semver"},{"version":"3.32.2","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-121953"}],"remediation":[],"references":["https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6wqx-rv3q-vcxp","https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-rdpgfx-dynamic-virtual-channel-close"],"sources":[{"name":"CVE","id":"CVE-2026-121953","modified":"2026-11-04T18:38:57.583Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-121953"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}],"sourceAffected":[],"observedAt":"2026-11-04T18:52:10.461Z","kev":{"status":"not-listed","checkedAt":"2026-11-06T03:05:31.956Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-04T16:20:37.967Z","attemptedAt":"2026-11-04T16:20:37.967Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-04T16:20:37.994Z","attemptedAt":"2026-11-04T16:20:37.994Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-04T16:20:38.438Z","attemptedAt":"2026-11-04T16:20:38.438Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-04T16:20:37.721Z","attemptedAt":"2026-11-04T16:20:37.721Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-121953","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121953","modified":"2026-11-04T16:17:47.837","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-11-04T16:20:37.967Z"},{"source":"NVD","id":"CVE-2026-121953","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121953","modified":"2026-11-04T16:17:47.837","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-11-04T16:20:37.967Z"}],"aiSummary":{"text":"FreeRDP before version 3.32.2 has a use-after-free weakness in the rdpgfx dynamic virtual channel. A malicious RDP server can potentially crash the client. The impact is uncertain.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-04T16:01:15.693Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-121953"}]}}