Intel

CVE-2026-83501

Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability

mediumEPSS 0.3 %

Beschreibung

Ein Auslesefehler außerhalb der Grenzen im Windows Virtualization-Based Security (VBS) Enklave ermöglicht es einem berechtigten Angreifer, lokal Informationen offenzulegen.

Quelle: BSI_CSAFBSIMSRCNVD

Metriken

Severity
medium
Priority-Score
71.71
KEV-Status
—
Exploit-Reife
kein öffentlicher PoC bekannt
XIEM Effective CVSS
5.5
Quelle: nvd-v3
CVSS v3
5.5
CVSS v4
—
EPSS-Perzentil
23.7 %
Erhöht — CVE ist relevanter als mindestens 10 % der heute bewerteten CVEs.
EPSS-Score
0.3 %
Niedrig — Modell schätzt < 1 % Ausnutzungs-Wahrscheinlichkeit.
Veröffentlicht
2026-09-08 07:00 UTC
CWE
CWE-125

Weakness-Klassen (CWE)

  • CWE-125Base

    Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

    cwe.mitre.org →

Re-Analyse & Statuswechsel

Chronologie der NVD-Audit-Events für diese CVE — Reanalyses, CVSS-Updates, CPE-Diffs.

  1. Initial Analysis2026-09-10 14:50 UTC· nvd@nist.gov
    • CPE Configuration: OR *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.22631.7582 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.22631.7582 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26100.9445 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.9445 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26200.9445 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26200.9445 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.28000.2954 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.28000.2954 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.33438
    • Reference Type: Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83501 Types: Patch, Vendor Advisory
  2. CVE Modified2026-09-08 20:18 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-83501","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI…
  3. New CVE Received2026-09-08 18:21 UTC· secure@microsoft.com
    • Description: Out-of-bounds read in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.
    • CVSS V3.1: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    • CWE: CWE-125
    • Affected: New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/83xxx/CVE-2026-83501.json">CVE-2026-83501</a>

Betroffene Betriebssysteme

  • windows

    microsoft / windows_11_23h2

  • windows

    microsoft / windows_11_24h2

  • windows

    microsoft / windows_11_25h2

  • windows

    microsoft / windows_11_26h1

  • windows

    microsoft / windows_server_2025

IDCVE-2026-83501