CVE-2026-77645

CRITICAL CVSS 4.0: 9.2 EPSS 0.47%
Updated Sep 09, 2026
Ptc
Parameter Value
CVSS 9.2 (CRITICAL)
Type CWE-20 (Improper Input Validation), CWE-502 (Deserialization of Untrusted Data)
Vendor Ptc
Public PoC No

A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult 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

Vulnerable Products

ptc:windchill pdmlink ptc:flexplm