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CVE-2018-9958

79
FAUCET Score

CVE-2018-9958 is a high-severity Use-After-Free vulnerability affecting Foxit Reader and PhantomPDF versions 9.0.1.1049 and earlier. It allows remote attackers to execute arbitrary code by crafting a malicious PDF document that exploits improper validation of Text Annotations. Successful exploitation requires user interaction, typically opening a malicious file, and can lead to full compromise of the affected system. While not actively exploited in the wild (KEV), public exploit code, including Metasploit modules, is readily available, indicating a high potential for exploitation. Despite this, there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
62.92%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Metasploit: Foxit PDF Reader Pointer Overwrite UAF · Apr 20, 2018
ExploitDB: EDB-49116 · Nov 27, 2020
This CVE's current EPSS score of 0.6292 is in the 99th 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

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/160240/Foxit-Reader-9.0.1.1049-Arbitrary-Code-Execution.html
exploit-db.com / exploits/44941
Third Party AdvisoryVDB Entry
exploit-db.com / exploits/45269
Third Party AdvisoryVDB Entry
foxitsoftware.com / support/security-bulletins.php
PatchVendor Advisory
zerodayinitiative.com / advisories/ZDI-18-342
Third Party AdvisoryVDB Entry