7

CVE-2026-20863

Win32k Elevation of Privilege Vulnerability

Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 11 23h2 Version < 10.0.22631.6491
Microsoft ≫ Windows 11 24h2 Version < 10.0.26100.7623
Microsoft ≫ Windows 11 25h2 Version < 10.0.26200.7623
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.4648
Microsoft ≫ Windows Server 2022 23h2 Version < 10.0.25398.2092
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.32230
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.05% 0.143
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.