CVE-2026-21321

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,25.6]"}}], "product": "after_effects", "vendor": "adobe"}], "analysis": {"en": {"generated_at": "2026-04-18T12:48:42.850864+00:00", "value": {"mitigation_remediation": ["Upgrade Adobe After Effects to version 26 or later to apply the vendor\u2019s fix.", "If an upgrade is not immediately possible, avoid opening any files from untrusted or unknown sources until the update is installed.", "Run After Effects with the least privilege necessary, limiting the damage should an exploit succeed."], "summary": {"action": "Apply patch", "impact": "Arbitrary code execution"}, "threat_synthesis": {"affected_systems": "Adobe After Effects 25.6 and earlier are affected. The vulnerability can be triggered on Windows and macOS systems running the vulnerable versions of After Effects.", "description_and_impact": "An integer overflow or wraparound flaw exists in Adobe After Effects that allows a crafted file to corrupt internal counters and trigger execution of arbitrary code in the context of the user who opens the file.", "risk_and_exploitability": "The flaw carries a CVSS score of 7.8, indicating high severity, but the EPSS score is below 1%, suggesting low exploitation probability. It is not listed in the CISA KEV catalog. Exploitation requires user interaction \u2013 a victim must open a malicious file \u2013 and thus depends on user behavior to launch the attack."}}}}, "created": "2026-02-10T21:33:39.116873+00:00", "updated": "2026-04-18T13:00:08.718845+00:00", "vendors": ["adobe", "adobe$PRODUCT$after_effects"]}