Quick answers
- Is CVE-2026-81989 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-81989 being exploited in the wild.
- How severe is CVE-2026-81989?
- High severity, with a CVSS score of 7.8, published 8 September 2026.
- Which products and versions are affected?
- Adobe Acrobat Reader <UNKNOWN>.
- Is there a fix for CVE-2026-81989?
- 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-2026-81989 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-81989?
- Check whether you run Adobe Acrobat, Adobe Acrobat Reader, Adobe Acrobat Dc or one of the others listed at an affected version. 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
A use-after-free vulnerability exists in Adobe Acrobat Reader's document parsing logic. The flaw allows an attacker to trigger memory corruption by referencing freed memory during file processing. Exploitation requires user interaction—specifically, the victim must open a malicious PDF file. When triggered, the vulnerability permits arbitrary code execution in the security context of the current user. No patch information is currently available from the provided advisory.
Affected products
- Adobe Acrobat Reader <UNKNOWN>
Timeline
- 2026-09-08: disclosed