{"id":"CVE-2016-0034","aliases":["EUVD-2016-0072","GHSA-8wh9-64cq-2gj5"],"status":"published","title":"Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which...","description":"Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka \"Silverlight Runtime Remote Code Execution Vulnerability.\"","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.69397,"percentile":0.99363,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2016-01-13T02:00:00Z","modified":"2026-08-14T05:16:53Z","kev":{"date_added":"2022-05-25","due_date":"2022-06-15","required_action":"The impacted products are end-of-life and should be disconnected if still in use.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2022-05-25"},{"source":"kev","since":"2022-05-25"}],"products":[{"vendor":"microsoft","product":"silverlight"}],"references":[{"url":"http://www.securitytracker.com/id/1034655","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0034","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-0034"},{"url":"https://github.com/advisories/GHSA-8wh9-64cq-2gj5"}],"sources":{"cve":[{"id":"CVE-2016-0034","description":"Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka \"Silverlight Runtime Remote Code Execution Vulnerability.\"","status":"published","published":"2016-01-13T02:00:00Z","modified":"2026-08-14T03:55:55.155Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:33:37.12286Z"}],"euvd":[{"id":"EUVD-2016-0072","description":"Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka \"Silverlight Runtime Remote Code Execution Vulnerability.\"","status":"published","published":"2016-01-13T02:00:00Z","modified":"2026-08-14T03:55:55Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-05-25","updated_at":"2026-11-02T18:01:55.248337Z"}],"ghsa":[{"id":"GHSA-8wh9-64cq-2gj5","title":"Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which...","description":"Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka \"Silverlight Runtime Remote Code Execution Vulnerability.\"","status":"published","published":"2022-05-14T02:26:19Z","modified":"2025-10-22T00:32:17Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:04:04.786232Z"}],"kev":[{"id":"CVE-2016-0034","title":"Microsoft Silverlight Runtime Remote Code Execution Vulnerability","description":"Microsoft Silverlight mishandles negative offsets during decoding, which allows attackers to execute remote code or cause a denial-of-service (DoS).","cwes":["CWE-20"],"kev":{"date_added":"2022-05-25","due_date":"2022-06-15","required_action":"The impacted products are end-of-life and should be disconnected if still in use.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2016-0034","description":"Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka \"Silverlight Runtime Remote Code Execution Vulnerability.\"","status":"published","published":"2016-01-13T05:59:22.657Z","modified":"2026-08-14T05:16:53.1Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:03:21.143462Z"}]}}