CVE-2026-50447

Ein heap-basierter Pufferüberlauf im Windows-Message-Warteschlangensystem ermöglicht es einem nicht autorisierten Angreifer, Code über ei… (CVE-2026-50447)

criticalEPSS 1 %

Beschreibung

Ein heap-basierter Pufferüberlauf im Windows-Message-Warteschlangensystem ermöglicht es einem nicht autorisierten Angreifer, Code über ein Netzwerk auszuführen.

Metriken

Severity
critical
kein öffentlicher PoC bekannt
9.8
Quelle: nvd-v3
60.0 %
Hoch — CVE rangiert über dem Median aller heute bewerteten CVEs (Rang ≥ 36 %).
1.0 %
Niedrig — Modell schätzt < 1 % Ausnutzungs-Wahrscheinlichkeit.
Veröffentlicht
2026-07-14 17:07 UTC
CWE-122

Weakness-Klassen (CWE)

  • CWE-122Variant

    Heap-based Buffer Overflow

    A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

    cwe.mitre.org →

Re-Analyse & Statuswechsel

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

  1. CVE Modified2026-07-22 16:17 UTC· secure@microsoft.com
    • Affected: Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2 (+15)Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2 (+15)
  2. Initial Analysis2026-07-21 16:43 UTC· nvd@nist.gov
    • CPE Configuration: OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.28000.2269 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.5386 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.33158 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.28000.2525 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26100.8875 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.8875 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.19044.7548 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.19044.7548 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.19044.7548 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.19045.7548 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.19045.7548 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.19045.7548 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26200.8875 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26200.8875
    • Reference Type: Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50447 Types: Patch, Vendor Advisory

Betroffene Betriebssysteme

  • windows

    microsoft / windows_10_1607

  • windows

    microsoft / windows_10_1809

  • windows

    microsoft / windows_10_21h2

  • windows

    microsoft / windows_10_22h2

  • windows

    microsoft / windows_11_24h2

  • windows

    microsoft / windows_11_25h2

  • windows

    microsoft / windows_11_26h1

  • windows

    microsoft / windows_server_2012r2

  • windows

    microsoft / windows_server_2012

  • windows

    microsoft / windows_server_2016

  • windows

    microsoft / windows_server_2019

  • windows

    microsoft / windows_server_2022

  • windows

    microsoft / windows_server_2025

Quellen & Referenzen

Verknüpfte Empfehlungen

IDCVE-2026-50447