Quick answers
- Is CVE-2026-76189 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-76189 being exploited in the wild.
- How severe is CVE-2026-76189?
- Medium severity, with a CVSS score of 6.2, published 25 August 2026.
- Which products and versions are affected?
- Adobe Content Credentials.
- Is there a fix for CVE-2026-76189?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-76189 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-76189?
- Check whether you run Adobe C2pa, Adobe C2patool or Adobe Content Credentials. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an integer underflow (wraparound) condition in the Content Credentials decoder that processes untrusted input. The defect allows an attacker to supply specially crafted input that causes a numeric value to wrap around, resulting in memory corruption or logic errors. The flaw is reachable over the network without authentication or user interaction, allowing remote denial-of-service. Exploitation crashes the affected application. Patches are available from Adobe.
Affected products
- Adobe Content Credentials
Timeline
- 2026-08-25: disclosed