Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-3843

39
FAUCET Score

CVE-2018-3843 is a high-severity type confusion vulnerability in Foxit PDF Reader version 9.0.1.1049, specifically affecting how it parses files with associated annotations. This vulnerability can be triggered by a specially crafted PDF document, leading to sensitive memory disclosure and potentially arbitrary code execution. The attack requires user interaction, either by opening a malicious file or visiting a malicious website if the browser plugin is enabled. While it has a high CVSS score of 8.8 and significant community discussion, there is currently no public exploit code available, and it is not listed on the KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
9.0.1.1049CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:foxit_reader:9.0.1.1049:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
24.03%
Probability of exploitation in next 30 days
EPSS Percentile
97.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.2403 is in the 98th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

talosintelligence.com / vulnerability_reports/TALOS-2018-0526
ExploitThird Party Advisory
securityfocus.com / bid/103942
Broken LinkThird Party AdvisoryVDB Entry
securitytracker.com / id/1040733
Broken LinkThird Party AdvisoryVDB Entry