{"id":"CVE-2025-27998","aliases":["EUVD-2025-16026","GHSA-cmvj-3pj4-hrr7"],"status":"published","title":"An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate...","description":"An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00221,"percentile":0.12858,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2025-05-21T00:00:00Z","modified":"2026-06-17T09:04:26Z","references":[{"url":"https://gist.github.com/sornram9254/e8d10efcf246cc50ff3d4f837b261616"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27998"},{"url":"https://github.com/advisories/GHSA-cmvj-3pj4-hrr7"}],"sources":{"cve":[{"id":"CVE-2025-27998","description":"An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.","status":"published","published":"2025-05-21T00:00:00Z","modified":"2025-05-21T19:48:32.296Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:32:42.751171Z"}],"euvd":[{"id":"EUVD-2025-16026","description":"An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.","status":"published","published":"2025-05-21T00:00:00Z","modified":"2025-05-21T19:48:32Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:41.053396Z"}],"ghsa":[{"id":"GHSA-cmvj-3pj4-hrr7","title":"An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate...","description":"An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.","status":"published","published":"2025-05-21T18:33:30Z","modified":"2025-05-21T21:32:40Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:02:24.130786Z"}],"nvd":[{"id":"CVE-2025-27998","description":"An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.","status":"published","published":"2025-05-21T16:15:31.153Z","modified":"2026-06-17T09:04:26.807Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:11:09.125937Z"}]}}