8.8

CVE-2026-50670

Windows Win32k Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1809 Version < 10.0.17763.9020
Microsoft ≫ Windows 10 21h2 Version < 10.0.19044.7548
Microsoft ≫ Windows 10 22h2 Version < 10.0.19045.7548
Microsoft ≫ Windows 11 24h2 Version < 10.0.26100.8875
Microsoft ≫ Windows 11 25h2 Version < 10.0.26200.8875
Microsoft ≫ Windows 11 26h1 Version < 10.0.28000.2525
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.9020
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.5386
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.33158
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.15
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Microsoft 8.8 2 6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE-122 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-125 Out-of-bounds Read

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

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50670
Patch
Vendor Advisory