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 Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
PTC Windchill PDMLink unaffected
Version Status Constraints
11.0 M030 affected —
11.1 M020 affected —
11.2.1.0 affected —
12.0.2.0 affected —
12.1.2.0 affected —
13.0.2.0 affected —
13.1.0.0 affected —
13.1.1.0 affected —
13.1.2.0 affected —
13.1.3.0 affected —
PTC FlexPLM unaffected
Version Status Constraints
11.0 M030 affected —
11.1 M020 affected —
11.2.1.0 affected —
12.0.0.0 affected —
12.0.2.0 affected —
12.0.3.0 affected —
12.1.2.0 affected —
12.1.3.0 affected —
13.0.2.0 affected —
13.0.3.0 affected —

No data.

No data.

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Vendors Products
Ptc Subscribe
Flexplm Subscribe
Windchill Pdmlink Subscribe

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.ptc.com/en/support/article/CS474826 cve-icon cve-icon
History

Fri, 21 Aug 2026 01:15:00 +0000

Type Values Removed Values Added
First Time appeared Ptc
Ptc flexplm
Ptc windchill Pdmlink
Vendors & Products Ptc
Ptc flexplm
Ptc windchill Pdmlink

Thu, 20 Aug 2026 22:15:00 +0000

Type Values Removed Values 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.
Title Critical Remote Code Execution (RCE) vulnerability reported in Windchill
Weaknesses CWE-20
CWE-502
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/RE:M/U:Red'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: PTC

Published:

Updated: 2026-08-20T22:08:41.642Z

Reserved: 2026-08-20T22:07:21.684Z

Link: CVE-2026-77645

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-20T22:18:06.510

Modified: 2026-08-20T22:18:06.510

Link: CVE-2026-77645

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T01:15:07Z

Weaknesses