THREAT OPS › Threat News › [NVD] CVE-2026-21321 (HIGH 7.8) — After Effects versions 25.6 and earlier are affected by an Integer Overflow or Wraparound 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 fi
[NVD] CVE-2026-21321 (HIGH 7.8) — After Effects versions 25.6 and earlier are affected by an Integer Overflow or Wraparound 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 fi
CVE-2026-21321 CVSS: 7.8 HIGH Published: 2026-02-10T18:16:29.627
After Effects versions 25.6 and earlier are affected by an Integer Overflow or Wraparound 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.
MITRE ATT&CK techniques
- Malicious FileT1204.002
Indicators of compromise
- CVE-2026-21321cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-21321