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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-27331

23
FAUCET Score

CVE-2023-27331 is a critical Use-After-Free vulnerability affecting Foxit PDF Reader and Editor on Windows, specifically within the handling of Annotation objects. This flaw allows remote attackers to execute arbitrary code on a user's system if they open a malicious PDF file or visit a malicious web page. Rated with a CVSS score of 7.8 (High), exploitation requires user interaction and can lead to complete compromise of confidentiality, integrity, and availability. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.1.10.37854CPE matchmatch criteria
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
>= 11.0.0.49893, < 11.2.4.53774CPE matchmatch criteria
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
>= 12.0.0.12394, < 12.1.0.15250CPE matchmatch criteria
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
< 12.1.0.15250CPE matchmatch criteria
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.92%
Probability of exploitation in next 30 days
EPSS Percentile
89.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0393 is in the 90th percentile among its peer group of 11,621 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

foxit.com / support/security-bulletins.html
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-23-225
Third Party Advisory