CVE-2026-34642: After Effects versions 26.0, 25.6.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability tha
CVE-2026-34642 is a high-severity flaw (CVSS 7.8) affecting after effects. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
After Effects versions 26.0, 25.6.4 and earlier are affected by a Heap-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 this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-122 |
| Published | 2026-05-12 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-34642?
after effects: upgrade to 25.6.5. Exact commands for each OS are on this page.
Is CVE-2026-34642 being exploited?
CVE-2026-34642 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-34642 affect?
CVE-2026-34642 affects after effects. Severity is high (CVSS 7.8). After Effects versions 26.0, 25.6.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interactio
How urgent is CVE-2026-34642?
Priority 29/100. High severity
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