{"id":"CVE-2025-48543","published":"2025-09-04T19:15:40Z","modified":"2026-06-17T09:29:49Z","title":"Android Runtime Use-After-Free Vulnerability","vendor":"Android","product":"Runtime","tier":"core","eol":null,"description":{"text":"In multiple locations, there is a possible way to escape chrome sandbox to attack android system_server due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","provenance":"source","from":"NVD"},"summary":{"text":"A use-after-free flaw in multiple locations of the Android Runtime allows an attacker to escape the Chrome sandbox and reach the Android system_server process. Exploitation requires local access and low privileges (no additional execution privileges), and needs no user interaction, enabling local escalation of privilege.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:14:58Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00634,"percentile":0.50311,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2025-09-04","dueDate":"2025-09-25","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"https://source.android.com/docs/security/bulletin/2025-09-01 ; https://nvd.nist.gov/vuln/detail/CVE-2025-48543","provenance":"source"},"vulncheckKev":{"dateAdded":"2025-09-01","exploitedFirstSeen":"2025-09-01","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2025-09-01"},{"url":"https://source.android.com/docs/security/bulletin/2025-09-01","date":"2025-09-02"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2025-09-04"},{"url":"https://www.rapid7.com/cdn/assets/bltbd2f1cd70f9e3e7f/691360b9c91291146f1a5308/threat-landscape-report-q3-2025.pdf","date":"2025-11-12"},{"url":"https://www.loginsoft.com/reports/annually/vulnerability-intelligence-report-2025","date":"2026-01-20"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"}],"provenance":"machine"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"references":[{"url":"https://android.googlesource.com/platform/art/+/444fc40dfb04d2ec5f74c443ed3a4dd45d3131f2","tags":["Patch","Product"]},{"url":"https://source.android.com/security/bulletin/2025-09-01","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-48543","tags":["Third Party Advisory","US Government Resource"]}],"techniques":[{"id":"T1068","name":"Exploitation for Privilege Escalation","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: local privilege escalation via use-after-free exploit","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"lead to local escalation of privilege with no additional execution privileges needed","start":140,"end":224}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2025-26791","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-26791","exploited":true,"exploitedSince":"2025-09-04","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2025-09-14","earliestUrl":"https://github.com/gamesarchive/CVE-2025-48543","repos":[{"name":"gamesarchive/CVE-2025-48543","url":"https://github.com/gamesarchive/CVE-2025-48543","stars":55,"created":"2025-09-14"}]},"first":{"date":"2025-09-14","source":"PoC-in-GitHub","url":"https://github.com/gamesarchive/CVE-2025-48543"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1068"],"provenance":"ai"}],"timeline":[{"date":"2025-09-01","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV 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listing","points":0.0,"detail":"added 424 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":10.06,"detail":"percentile 0.5031"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 PoC-in-GitHub repo"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}