8.4

CVE-2026-56189

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1607 HwPlatformx64 Version < 10.0.14393.9339
Microsoft ≫ Windows 10 1607 HwPlatformx86 Version < 10.0.14393.9339
Microsoft ≫ Windows 10 1809 HwPlatformx64 Version < 10.0.17763.9020
Microsoft ≫ Windows 10 1809 HwPlatformx86 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 2016 Version < 10.0.14393.9339
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 0.4% 0.322
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.4 2.5 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Microsoft 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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().

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56189
Patch
Vendor Advisory