{"schema":"threatline.record/2","record":{"id":"CVE-2026-34621","aliases":[],"summary":"Adobe Acrobat and Reader Prototype Pollution Vulnerability","details":"Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution.","categories":["Applications & CMS"],"product":"Acrobat and Reader","vendor":"Adobe","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-34621","source_modified_at":"2026-08-27T22:15:48.961Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Acrobat DC","vendor":"Adobe","versions":[{"lessThanOrEqual":"26.001.21367","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"26.001.21411","versionType":"custom"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-34621","source_modified_at":"2026-08-27T22:15:48.961Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Acrobat Reader DC","vendor":"Adobe","versions":[{"lessThanOrEqual":"26.001.21367","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"26.001.21411","versionType":"custom"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-34621","source_modified_at":"2026-08-27T22:15:48.961Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Acrobat 2024","vendor":"Adobe","versions":[{"lessThanOrEqual":"24.001.30356","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"24.001.30362 (Win), 24.001.30360 (Mac)","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.6,"severity":"High","kev":{"listed":true,"date_added":"2026-04-13","due_date":"2026-04-27","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.02183,"percentile":0.82248,"score_date":"2026-10-23"},"published_at":"2026-04-11T06:45:43.512Z","modified_at":"2026-08-27T22:15:48.961Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-34621","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-08-27T22:15:48.961Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-34621","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://helpx.adobe.com/security/products/acrobat/apsb26-43.html","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34621","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34621","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2026-04-11T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-08-27T22:15:48.961Z","content_hash":"eb81241572bfdd93f7351ed577d941afe5eb7f315301ec61f2adcda25b0a231d"}}