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TI-2026-26934 Aliases CVE-2026-34690GHSA-7cgm-hcwh-pj79

After Effects | Stack-based Buffer Overflow (CWE-121)

Priority LOW 37CWE-121Published · 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-121 and the CVSS impact.

Summary

After Effects is affected by a Stack-based Buffer Overflow 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 0.00513 43rd percentileScored 2026-11-07
Fix Fixed After Effects (Adobe): 26.3, 25.6.6

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 26.2.126.3Patch availableCNA
AdobeAfter Effectsup to 25.6.525.6.6Patch availableCNA
  • After Effects VendorAdobe Affected up to 26.2.1 Fixed in 26.3 Patch available CNA
  • After Effects VendorAdobe Affected up to 25.6.5 Fixed in 25.6.6 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:after_effects:*:*:*:*:*:*:*:*before 25.6.5; 26.0 to before 26.2VulnerableAdobe
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 25.6.5; 26.0 to before 26.2 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 26.3
  • Fix · CNA After Effects (Adobe) Fixed in 25.6.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34690
  2. 2026-10-03 Alias added: GHSA-7cgm-hcwh-pj79

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