---
cve: "CVE-2021-31955"
severity: "MEDIUM"
cvss: 5.5
epss: "81.1%"
vendor: "Microsoft"
kev: true
exploited: true
published: "2021-06-08 23:15:08"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-19T19:02:48+02:00"
---

# CVE-2021-31955

> 5.5 MEDIUM · ⚠️ CISA KEV (1781 Tage) · 🔓 Exploited

## Beschreibung

Windows Kernel Information Disclosure Vulnerability

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31955>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31955>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-31955) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_