{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-34700: InDesign Desktop | Out-of-bounds Write (CWE-787)","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-34700","status":"final","version":"1","initial_release_date":"2026-06-09T17:43:54.210Z","current_release_date":"2026-06-10T03:59:45.309Z","revision_history":[{"date":"2026-06-09T17:43:54.210Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-34700 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-34700"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-34700"},{"category":"external","summary":"helpx.adobe.com","url":"https://helpx.adobe.com/security/products/indesign/apsb26-58.html"}]},"product_tree":{"branches":[{"category":"vendor","name":"Adobe","branches":[{"category":"product_name","name":"InDesign Desktop","branches":[{"category":"product_version_range","name":"<=20.5.3","product":{"name":"Adobe InDesign Desktop <=20.5.3","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:adobe:indesign_desktop:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-34700","title":"InDesign Desktop | Out-of-bounds Write (CWE-787)","notes":[{"category":"description","text":"InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}