---
cve: "CVE-2026-77644"
severity: "CRITICAL"
cvss: 9.3
epss: "79%"
vendor: "PTC"
kev: false
exploited: false
published: "2026-08-20 22:18:06"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T15:23:37+02:00"
---

# CVE-2026-77644

> 9.3 CRITICAL

## Beschreibung

A critical bypass access control vulnerability has been reported in PTC Windchill Risk and Reliability (WRR) Enterprise Edition.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/RE:M/U:Red
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.ptc.com/en/support/article/CS474818>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-77644) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_