CVE-2026-89277: Adobe Content Credentials integer overflow denial of service

CVE-2026-89277 · Severity: medium · CVSS 5.5 · Published 2026-09-22

Adobe Content Credentials, which authenticates and verifies the origin of digital content, contains an integer overflow vulnerability that can crash the application. An attacker can exploit this by tricking a user into visiting a malicious URL or webpage, resulting in a temporary service disruption. No authentication is required and the attack succeeds through user interaction alone.

Technologies: Adobe Content Credentials. Vendors: Adobe.

Quick answers

Is CVE-2026-89277 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-89277 being exploited in the wild.
How severe is CVE-2026-89277?
Medium severity, with a CVSS score of 5.5, published 22 September 2026.
Which products and versions are affected?
Adobe Content Credentials.
Is there a fix for CVE-2026-89277?
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-2026-89277 attacked?
It is attacked over the network.
Am I affected by CVE-2026-89277?
Check whether you run 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

An integer overflow or wraparound vulnerability in Adobe Content Credentials allows an attacker to cause an application crash (denial-of-service). The vulnerability requires user interaction—specifically visiting a maliciously crafted URL or compromised webpage—to trigger the overflow condition. The attack vector is network-based and no special privileges are needed to exploit it.

Affected products

  • Adobe Content Credentials

Timeline

  • 2026-09-22: disclosed

References

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