November 11, 2026

CVE Watchtower

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CVE-2026-126325NVD

Vulnerability Summary

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.
Severity Level
CRITICAL(9.2)
Published Date
Nov 11, 2026
Last Modified
Nov 11, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-20: Improper Input Validation ↗
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required.
CWE-502: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v4.0 Base Metrics — Score 9.2 (CRITICAL)
Attack VectorNetwork
Attack ComplexityHigh
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
CVSS v3.1 Base Metrics — Score 9.0 (CRITICAL)
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • PTC Windchill >= 11.0 M030
  • PTC Windchill >= 11.1 M020
  • PTC Windchill >= 11.2.1.0
  • PTC Windchill >= 12.0.2.0
  • PTC Windchill >= 12.1.2.0
  • PTC Windchill >= 13.0.2.0
  • PTC Windchill >= 13.1.0.0
  • PTC Windchill >= 13.1.1.0
  • PTC Windchill >= 13.1.2.0
  • PTC Windchill >= 13.1.3.0
  • PTC Windchill >= 13.1.4.0
  • PTC FlexPLM >= 11.0 M030
  • PTC FlexPLM >= 11.1 M020
  • PTC FlexPLM >= 11.2.1.0
  • PTC FlexPLM >= 12.0.2.0
  • PTC FlexPLM >= 12.1.2.0
  • PTC FlexPLM >= 13.0.2.0
  • PTC FlexPLM >= 13.1.0.0
  • PTC FlexPLM >= 13.1.1.0
  • PTC FlexPLM >= 13.1.2.0
  • PTC FlexPLM >= 13.1.3.0
Patched Versions
Not provided by NVD for this CVE.
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References