7.5

CVE-2025-26634

Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges over a network.

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Data is provided by the National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1507 Version < 10.0.10240.20915
Microsoft ≫ Windows 10 1607 HwPlatformx64 Version < 10.0.14393.7785
Microsoft ≫ Windows 10 1607 HwPlatformx86 Version < 10.0.14393.7785
Microsoft ≫ Windows 10 21h2 Version < 10.0.19044.5487
Microsoft ≫ Windows 10 22h2 Version < 10.0.19045.5487
Microsoft ≫ Windows 11 22h2 Version < 10.0.22621.4890
Microsoft ≫ Windows 11 23h2 Version < 10.0.22631.4890
Microsoft ≫ Windows 11 24h2 Version < 10.0.26100.3194
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.7785
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.6893
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.3207
Microsoft ≫ Windows Server 2022 23h2 Version < 10.0.25398.1425
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.3194
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.24% 0.476
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
secure@microsoft.com 7.5 1.6 5.9
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/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().