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CVE-2018-25217

HIGH CVSS 4.0: 8.6 EPSS 0.02%
Updated Mar 27, 2026
Payload
Parameter Value
CVSS 8.6 (HIGH)
Type CWE-787 (Out-of-bounds Write)
Vendor Payload
Public PoC Yes

PDF Explorer 1.5.66.2 contains a structured exception handler (SEH) overflow vulnerability that allows local attackers to execute arbitrary code by overwriting SEH records with malicious data. Attackers can craft a payload with buffer overflow, NSEH jump, and ROP gadget chains that execute when the Custom fields settings dialog processes the malicious input in the Label field.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Rttsoftware Pdf_Explorer
cpe:2.3:a:rttsoftware:pdf_explorer:1.5.66.2:*:*:*:*:*:*:*