Use After Free in Pdf-Xchange Editor

CVE-2025-0899

PDF-XChange Editor AcroForm Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of AcroForms. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25349.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-0899: held from 0.008 to 0.006.

EPSS over last 30 days · oldest: 0.008 · newest: 0.006 · change: -0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-0899?
CVE-2025-0899 is a high-severity vulnerability in Pdf-Xchange Editor, classified under Use After Free. CVSS score: 8.8/10. Published 2025-02-11.
How severe is CVE-2025-0899?
High severity. CVSS v3 base score is 8.8 out of 10.