CVE-2026-4681
Critical Remote Code Execution vulnerability reported in Windchill
Description
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. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.
INFO
Published Date :
March 23, 2026, 10:16 p.m.
Last Modified :
March 24, 2026, 3:53 p.m.
Remotely Exploit :
Yes !
Source :
0b655efc-079c-4cb9-9e8d-164871239f4e
Affected Products
The following products are affected by CVE-2026-4681
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | 0b655efc-079c-4cb9-9e8d-164871239f4e | ||||
| CVSS 4.0 | CRITICAL | 0b655efc-079c-4cb9-9e8d-164871239f4e |
Solution
- Update PTC Windchill to a patched version.
- Update PTC FlexPLM to a patched version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4681.
| URL | Resource |
|---|---|
| https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4681 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-4681
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4681 vulnerability anywhere in the article.
-
The Cyber Express
Adobe Patches Actively Exploited Acrobat Reader Flaw CVE-2026-34621
Adobe has issued emergency security updates addressing a severe Acrobat Reader flaw tracked as CVE-2026-34621, a high-impact Adobe vulnerability that has already been observed being exploited in real- ... Read more
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The Cyber Express
Critical Flowise RCE Vulnerability Actively Exploited, Thousands of Systems at Risk
A critical Flowise RCE vulnerability is now being actively exploited. The flaw, tracked as CVE-2025-59528, carries a maximum severity rating and enables attackers to execute arbitrary code on affected ... Read more
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Daily CyberSecurity
CVE-2026-34838 (CVSS 10): Critical RCE Flaw Uncovered in GroupOffice CRM
In a significant discovery for enterprises and public sector organizations, a critical security vulnerability has been unmasked in GroupOffice, the popular open-source CRM and groupware suite. The fla ... Read more
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security.nl
Duitse politie bezoekt bedrijven wegens kritieke PTC-kwetsbaarheid
De Duitse politie is afgelopen zaterdag bij meerdere bedrijven in het land langsgegaan om te waarschuwen voor een kritieke kwetsbaarheid in producten van PTC. Sommige systeembeheerders werden in de vr ... Read more
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Daily CyberSecurity
DHCP Down: High-Severity Stack Overflow Flaw Threatens to Paralyze Kea Networks
The Internet Systems Consortium (ISC) has issued a high-severity security advisory regarding a critical vulnerability affecting the Kea DHCP suite. The flaw, tracked as CVE-2026-3608 (CVSS 7.5), could ... Read more
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Daily CyberSecurity
Critical RCE Flaw in PTC Windchill and FlexPLM Puts Product Data at Risk
PTC has issued a high-priority security advisory regarding a critical vulnerability affecting its Windchill and FlexPLM product lifecycle management suites. The flaw, tracked as CVE-2026-4681 (CVSS 10 ... Read more
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The Cyber Express
PTC Warns of Critical Windchill, FlexPLM Flaw Enabling Remote Code Execution
PTC has issued an urgent advisory regarding a critical Windchill and FlexPLM vulnerability that exposes affected systems to Remote Code Execution (RCE). The flaw, identified as CVE-2026-4681, has been ... Read more
The following table lists the changes that have been made to the
CVE-2026-4681 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 0b655efc-079c-4cb9-9e8d-164871239f4e
Mar. 23, 2026
Action Type Old Value New Value Added Description 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. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Red Added CWE CWE-94 Added Reference https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl