Out-of-bounds Read in Pdf-Xchange Editor

CVE-2025-27931

An out-of-bounds read vulnerability exists in the EMF functionality of PDF-XChange Editor version 10.5.2.395. By using a specially crafted EMF file, an attacker could exploit this vulnerability to perform an out-of-bounds read, potentially leading to the disclosure of sensitive information.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% 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-2025-27931: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-27931?
CVE-2025-27931 is a medium-severity vulnerability in Pdf-Xchange Editor, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2025-08-05.
How severe is CVE-2025-27931?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-27931 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.