Critical Alert 1 Active Exploit Detected Today

CVE-2026-86950 — Apple Multiple Products Out-of-Bounds Write Vulnerability →
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September 30, 2026

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CVE-2026-4681NVD

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.

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.
Severity Level
UNKNOWN
Published Date
Mar 23, 2026
Last Modified
Mar 24, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.50%Probability
Root Weakness (CWE)
CWE-94: Code Injection ↗
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended syntax or behavior.
CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)Low
Integrity (Subsequent System)Low
Availability (Subsequent System)Low

Affected & Patched Versions

Affected Versions
  • PTC Windchill PDMLink >= 11.0 M030
  • PTC Windchill PDMLink >= 11.1 M020
  • PTC Windchill PDMLink >= 11.2.1.0
  • PTC Windchill PDMLink >= 12.0.2.0
  • PTC Windchill PDMLink >= 12.1.2.0
  • PTC Windchill PDMLink >= 13.0.2.0
  • PTC Windchill PDMLink >= 13.1.0.0
  • PTC Windchill PDMLink >= 13.1.1.0
  • PTC Windchill PDMLink >= 13.1.2.0
  • PTC Windchill PDMLink >= 13.1.3.0
  • PTC FlexPLM >= 11.0 M030
  • PTC FlexPLM >= 11.1 M020
  • PTC FlexPLM >= 11.2.1.0
  • PTC FlexPLM >= 12.0.0.0
  • PTC FlexPLM >= 12.0.2.0
  • PTC FlexPLM >= 12.0.3.0
  • PTC FlexPLM >= 12.1.2.0
  • PTC FlexPLM >= 12.1.3.0
  • PTC FlexPLM >= 13.0.2.0
  • PTC FlexPLM >= 13.0.3.0
Patched Versions
Not provided by cveorg 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.
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External References