{"schemaVersion":3,"id":"CVE-2013-3896","aliases":[],"status":"published","duplicateOf":null,"title":"Microsoft Silverlight Information Disclosure Vulnerability","description":"Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application, aka \"Silverlight Vulnerability.\"","dates":{"published":"2013-10-09T14:44:00.000Z","modified":"2025-10-22T00:05:40.641Z","reserved":null,"kevAdded":["2022-05-25T00:00:00.000Z"],"kevDue":["2022-06-15T00:00:00.000Z"]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.67959,"percentile":0.9932,"severity":"critical","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":-1.4390000000000014,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.69398},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.6961,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.6961,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.6961,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.6961,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.67959,"percentile":0.9932}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.69398,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.67959,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.67959,"percentile":0.9932}]},"kev":{"state":"listed","entries":[{"source":"cisa","sourceLabel":"CISA","dateAdded":"2022-05-25T00:00:00.000Z","dueDate":"2022-06-15T00:00:00.000Z","requiredAction":"The impacted product is end-of-life and should be disconnected if still in use.","name":"Microsoft Silverlight Information Disclosure Vulnerability","description":"Microsoft Silverlight does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application.","notes":[{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2013-3896","label":"nvd.nist.gov/vuln/detail/CVE-2013-3896"}],"vendor":"Microsoft","product":"Silverlight","ransomware":false,"ransomwareUse":"Unknown","exploitationType":null}],"listedCount":1,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":true,"entry":{"source":"cisa","sourceLabel":"CISA","dateAdded":"2022-05-25T00:00:00.000Z","dueDate":"2022-06-15T00:00:00.000Z","requiredAction":"The impacted product is end-of-life and should be disconnected if still in use.","name":"Microsoft Silverlight Information Disclosure Vulnerability","description":"Microsoft Silverlight does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application.","notes":[{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2013-3896","label":"nvd.nist.gov/vuln/detail/CVE-2013-3896"}],"vendor":"Microsoft","product":"Silverlight","ransomware":false,"ransomwareUse":"Unknown","exploitationType":null}},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"41702","name":"Microsoft Silverlight - ScriptObject Unsafe Memory Access (MS13-022/MS13-087) (Metasploit)","source":"exploit-database","url":"https://www.exploit-db.com/exploits/41702","maturity":"weaponized","reliabilityScore":0.8,"verified":true,"type":"local","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"local","platform":"windows","file":"exploits/windows/local/41702.rb","codes":["CVE-2013-0074","OSVDB-91147","OSVDB-98223","CVE-2013-3896"]},"metasploit":null},{"id":"MSF_EXPLOIT_WINDOWS_BROWSER_MS13_022_SILVERLIGHT_SCRIPT_OBJECT","name":"MS13-022 Microsoft Silverlight ScriptObject Unsafe Memory Access","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploit/windows/browser/ms13_022_silverlight_script_object.rb","maturity":"poc","reliabilityScore":0.5,"verified":false,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"exploit/windows/browser/ms13_022_silverlight_script_object","rank":"300","rankName":"normal","postAuth":false,"check":false,"stability":["unknown-stability"],"sideEffects":["unknown-side-effects"],"reliability":["unknown-reliability"]}}],"exploitCount":2,"weaknesses":[],"affected":[{"vendor":"microsoft","product":"silverlight","name":"Silverlight","label":"silverlight","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 5.0, < 5.1.20913.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.0, < 5.1.20913.0","eol":null,"hubHref":"/vendor/microsoft/silverlight"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-087","label":"docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-087","hostname":"docs.microsoft.com","tags":["Vendor Advisory","X Refsource MS","Patch"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19003","label":"oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19003","hostname":"oval.cisecurity.org","tags":["VDB Entry","Signature","X Refsource OVAL","Broken Link"]},{"url":"http://www.us-cert.gov/ncas/alerts/TA13-288A","label":"www.us-cert.gov/ncas/alerts/TA13-288A","hostname":"www.us-cert.gov","tags":["Third Party Advisory","X Refsource CERT","US Government Resource"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19055","label":"oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19055","hostname":"oval.cisecurity.org","tags":["VDB Entry","Signature","X Refsource OVAL","Broken Link"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3896","label":"www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3896","hostname":"www.cisa.gov","tags":["Government Resource","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2013-10-09T14:44:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"kev-added","date":"2022-05-25T00:00:00.000Z","label":"Added to CISA KEV","detail":"Microsoft Silverlight Information Disclosure Vulnerability","source":"cisa"},{"kind":"kev-due","date":"2022-06-15T00:00:00.000Z","label":"CISA remediation due","detail":"The impacted product is end-of-life and should be disconnected if still in use.","source":"cisa"},{"kind":"modified","date":"2025-10-22T00:05:40.641Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":85,"level":"critical","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T14:18:52.742Z","stale":false,"partial":false}}