{"id":"CVE-2026-27303","aliases":["EUVD-2026-22667","GHSA-p85r-hffw-65q4"],"status":"published","title":"Adobe Connect | Deserialization of Untrusted Data (CWE-502)","description":"Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00623,"percentile":0.50319,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-04-14T17:33:50Z","modified":"2026-10-26T21:10:00Z","products":[{"vendor":"adobe","product":"adobe connect"},{"vendor":"adobe","product":"adobe connect desktop application"},{"vendor":"adobe","product":"connect"},{"vendor":"adobe","product":"connect_desktop_application"}],"references":[{"url":"https://helpx.adobe.com/security/products/connect/apsb26-37.html","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27303"},{"url":"https://github.com/advisories/GHSA-p85r-hffw-65q4"}],"sources":{"cve":[{"id":"CVE-2026-27303","title":"Adobe Connect | Deserialization of Untrusted Data (CWE-502)","description":"Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.","status":"published","published":"2026-04-14T17:33:50.425Z","modified":"2026-08-27T22:15:40.822Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:19:49.199185Z"}],"euvd":[{"id":"EUVD-2026-22667","description":"Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.","status":"published","published":"2026-04-14T17:33:50Z","modified":"2026-08-27T22:15:40Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:25.95978Z"}],"ghsa":[{"id":"GHSA-p85r-hffw-65q4","title":"Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted...","description":"Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.","status":"published","published":"2026-04-14T18:30:38Z","modified":"2026-04-14T18:30:50Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:07:29.526942Z"}],"nvd":[{"id":"CVE-2026-27303","description":"Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.","status":"published","published":"2026-04-14T18:16:56.633Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:14.748836Z"}]}}