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CVE-2019-6766

19
FAUCET Score

CVE-2019-6766 is a sensitive information disclosure vulnerability affecting Foxit Reader and PhantomPDF versions 9.4.1.16828 and earlier on Windows. It stems from improper validation of object existence during AcroForm processing, allowing an attacker to disclose sensitive data. This medium-severity vulnerability (CVSS 5.5) requires user interaction, such as opening a malicious file, but could be chained with other vulnerabilities for code execution. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.4.1.16828CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:foxit_reader:*:*:*:*:*:*:*:*
<= 8.3.9.41099CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*
>= 9.0.0, <= 9.4.1.16828CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.3LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.65%
Probability of exploitation in next 30 days
EPSS Percentile
84.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0265 is in the 93rd percentile among its peer group of 5,765 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

foxitsoftware.com / support/security-bulletins.php
PatchVendor Advisory
zerodayinitiative.com / advisories/ZDI-19-440
Third Party AdvisoryVDB Entry