CVE-2026-21321
published 2026-02-10CVE-2026-21321: 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…
PriorityP343high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
0.24%
15.0th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| adobe | after_effects | < 25.6.4 | 25.6.4 |
| adobe | after_effects | <= 25.6 | — |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Adobe After Effects up to 25.6 File integer overflow (apsb26-15)
vuldb·2026-08-29·CVSS 7.8
CVE-2026-21321 [HIGH] Adobe After Effects up to 25.6 File integer overflow (apsb26-15)
A vulnerability was found in Adobe After Effects up to 25.6 and classified as critical. Impacted is an unknown function of the component File Handler. Executing a manipulation can lead to integer overflow.
This vulnerability appears as CVE-2026-21321. The attack may be performed from remote. There is no available exploit.
It is suggested to upgrade the affected component.
GHSA
GHSA-4g5r-whcx-rjr9: After Effects versions 25
ghsa_unreviewed·2026-02-10
CVE-2026-21321 [HIGH] CWE-190 GHSA-4g5r-whcx-rjr9: After Effects versions 25
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.
No detection rules found.
No public exploits indexed.
2026-02-10
Published