What is CVE-2017-14827?

CVE-2017-14827 is a high-severity vulnerability in Foxit Reader, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2017-12-20.

How severe is CVE-2017-14827?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Foxit Reader

CVE-2017-14827

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. 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 append method of XFA Node objects. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5019.

Published 2017-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (84.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Foxit Reader — versions 8.3.1.21155
Foxitsoftware Foxit Reader — versions 8.3.1.21155

Weakness classification (CWE)

References

zerodayinitiative.com/advisories/ZDI-17-871 (VDB Entry, Third Party Advisory)
www.foxitsoftware.com/support/security-bulletins.php (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2017-14827?: CVE-2017-14827 is a high-severity vulnerability in Foxit Reader, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2017-12-20.
How severe is CVE-2017-14827?: High severity. CVSS v3 base score is 8.8 out of 10.