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TI-2026-17255 Aliases CVE-2026-21351GHSA-656q-wmv9-fpgj

After Effects | Use After Free (CWE-416)

Priority LOW 36CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

After Effects versions 25.6 and earlier are affected by a Use After Free 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00252 16th percentileScored 2026-11-07
Fix Fixed After Effects (Adobe): 25.6.4, 26.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeAfter Effectsup to 25.625.6.4, 26.0Patch availableCNA
  • After Effects VendorAdobe Affected up to 25.6 Fixed in 25.6.4, 26.0 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:after_effects:*:*:*:*:*:*:*:*before 25.6.4VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:adobe:after_effects:*:*:*:*:*:*:*:* Versions before 25.6.4 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA After Effects (Adobe) Fixed in 25.6.4, 26.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Adobe After Effects — helpx.adobe.com/security/products/after_effects/apsb26-15.h…

    15 records Highest priority Priority LOW 15 LOW

    Other records, highest priority first

    • TI-2026-17234 After Effects | Access of Resource Using Incompatible Type ('Type Confusion') (CWE-843)Priority LOW 36
    • TI-2026-17233 After Effects | Use After Free (CWE-416)Priority LOW 36
    • TI-2026-17230 After Effects | Use After Free (CWE-416)Priority LOW 36
    Show all 15 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21351
  2. 2026-10-03 Alias added: GHSA-656q-wmv9-fpgj

References

Advisory 1

  • TI-2020-03280 Out-of-bounds write in Adobe After Effects CVSS 3.1CRITICAL 9.8
  • TI-2021-09647 Adobe After Effects improper neutralization of special elements could lead to remote code execution CVSS 3.1HIGH 8.8
  • TI-2021-09680 Adobe After Effects heap corruption vulnerability could lead to arbitrary code execution CVSS 3.1HIGH 7.8
  • TI-2021-09678 Adobe After Effects heap corruption vulnerability could lead to arbitrary code execution CVSS 3.0HIGH 7.8
  • TI-2021-09676 Adobe After Effects Stack Overflow vulnerability could lead to arbitrary code execution CVSS 3.0HIGH 7.8
  • TI-2020-07725 Out-of-bounds write in Adobe After Effects CVSS 3.1HIGH 7.8
See all 126 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences