What is CVE-2018-3851?

CVE-2018-3851 is a high-severity vulnerability in Hyland Perceptive Document Filters, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-04-26.

How severe is CVE-2018-3851?

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

Buffer overflow in Hyland Perceptive Document Filters

CVE-2018-3851

In Hyland Perceptive Document Filters 11.4.0.2647 - x86/x64 Windows/Linux, an exploitable stack-based buffer overflow exists in the DOC-to-HTML conversion functionality of the Hyland Perceptive Document Filters version 11.4.0.2647. A crafted .doc document can lead to a stack-based buffer, resulting in direct code execution.

Vulnerability class: Buffer Overflow

Published 2018-04-26 · last modified 2026-06-17.

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: 0.027 (85.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.027 · change: -0.001

Affected products

Hyland Perceptive Document Filters — versions 11.4.0.2647
Hyland Software, Inc. Perceptive Document Filters — versions 11.4.0.2647 - x86/x64 Windows/Linux

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.securityfocus.com/bid/104023 (VDB Entry, Third Party Advisory, vdb-entry)
talosintelligence.com/vulnerability_reports/TALOS-2018-0534 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-3851?: CVE-2018-3851 is a high-severity vulnerability in Hyland Perceptive Document Filters, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-04-26.
How severe is CVE-2018-3851?: High severity. CVSS v3 base score is 8.8 out of 10.