CVE-2026-34640 Media Encoder | Integer Overflow or Wraparound (CWE-190)
An integer overflow in Adobe Media Encoder allows arbitrary code execution if a user opens a malicious file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-34640?
CVE-2026-34640 is a high-severity vulnerability in Adobe Media Encoder, published on 12 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Media Encoder versions 26.0.2, 25.6.4 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.
Weakness: CWE-190
Which versions are affected by CVE-2026-34640?
It affects 1 product.
Products include Adobe Media Encoder.
How do I fix CVE-2026-34640?
No fix has been published for CVE-2026-34640 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-34640 being exploited?
There is no known exploitation of CVE-2026-34640 in the wild and no public exploit code.
Other vulnerabilities in Adobe Media Encoder
Sources
Also known as GHSA-qrqj-43q2-vj6m.