CVE-2026-21321

HIGH
2026-02-10 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 10, 2026 - 18:16 nvd
HIGH 7.8

Tags

Integer Overflow After Effects

Description

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.

Analysis

Arbitrary code execution in Adobe After Effects 25.6 and earlier through an integer overflow vulnerability affecting file processing. An attacker can exploit this by crafting a malicious file that, when opened by a user, executes code with the privileges of the current user. …

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Remediation

Within 24 hours: Inventory all After Effects installations and restrict file sharing from untrusted sources; issue user awareness communication prohibiting opening unsolicited .aep files. Within 7 days: Implement application whitelisting and disable After Effects where not business-critical; isolate production systems from general network access. …

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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CVE-2026-21321 vulnerability details – vuln.today
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