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CVE-2023-27343

23
FAUCET Score

CVE-2023-27343 is an out-of-bounds write vulnerability in PDF-XChange Editor's EMF file parsing, affecting PDF-XChange Editor and PDF-XChange PDF-Tools. With a CVSS score of 7.8 (HIGH), it allows remote attackers to achieve arbitrary code execution if a user opens a specially crafted EMF file. While the vulnerability requires user interaction, successful exploitation grants an attacker the ability to execute code in the context of the current process. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
9.4.364.0CPE matchmatch criteria
cpe:2.3:a:pdf-xchange:pdf-tools:9.4.364.0:*:*:*:*:*:*:*
9.4.364.0CPE matchmatch criteria
cpe:2.3:a:pdf-xchange:pdf-xchange_editor:9.4.364.0:*:*:*:*:*:*:*

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
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 41st 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

tracker-software.com / product/pdf-xchange-editor/history
Release Notes
zerodayinitiative.com / advisories/ZDI-23-355
Third Party Advisory