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CVE-2018-6462

24
FAUCET Score

CVE-2018-6462 is a critical vulnerability affecting Tracker PDF-XChange Viewer and Viewer AX SDK versions prior to 2.5.322.8. It stems from an incorrect color space conversion (YCC to RGB) that calculates on 1 bpc instead of 8 bpc, potentially allowing remote code execution through a specially crafted PDF document. With a CVSS score of 7.8 (High), this vulnerability presents a significant risk, as it can lead to high impact on confidentiality, integrity, and availability with low attack complexity, requiring user interaction. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.5.322.8CPE matchmatch criteria
cpe:2.3:a:tracker-software:pdf-xchange_viewer:*:*:*:*:*:*:*:*
< 2.5.322.8CPE matchmatch criteria
cpe:2.3:a:tracker-software:viewer_ax_sdk:*:*:*:*:*:*:*:*

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
2.46%
Probability of exploitation in next 30 days
EPSS Percentile
82.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0246 is in the 83rd percentile among its peer group of 11,616 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

herolab.usd.de / wp-content/uploads/sites/4/2018/07/usd20180019.txt
tracker-software.com / company/news_press_events/view/179
PatchVendor Advisory