CVE-2026-21347 Bridge | Integer Overflow or Wraparound (CWE-190)

High 7.8 Published 10 Feb 2026 Updated 27 Aug 2026

An integer overflow in Adobe Bridge 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-2026-21347?

CVE-2026-21347 is a high-severity vulnerability in Adobe Bridge, published on 10 Feb 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

Bridge versions 15.1.3, 16.0.1 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-2026-21347?

It affects 1 product.

Products include Adobe Bridge.

How do I fix CVE-2026-21347?

No fix has been published for CVE-2026-21347 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21347 being exploited?

There is no known exploitation of CVE-2026-21347 in the wild and no public exploit code.

All Adobe Bridge vulnerabilities

Sources

Also known as GHSA-c88q-2vf3-wqxg.