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CVE-2025-26634

nvd nist
Published: Mar 11, 2025Modified: Jul 3, 2025

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7.5
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.6 / Impact: 5.9
Source: secure@microsoft.com (Secondary)

Description

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

Affected (13)

Microsoft
12 products
Windows 10 1507
Windows 10 1607
Windows 10 21h2
Windows 10 22h2
Windows 11 22h2
Windows 11 23h2
Windows 11 24h2
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows Server 2022 23h2
Windows Server 2025
Configuration A
13 vulnerable
Vulnerable SoftwareAffected Versions
Windows 10 1507
Before 10.0.10240.20915
Microsoft
Windows 10 1607
Before 10.0.14393.7785
Windows 10 1607
Before 10.0.14393.7785
Windows 10 21h2
Before 10.0.19044.5487
Windows 10 22h2
Before 10.0.19045.5487
Windows 11 22h2
Before 10.0.22621.4890
Windows 11 23h2
Before 10.0.22631.4890
Windows 11 24h2
Before 10.0.26100.3194
Windows Server 2016
Before 10.0.14393.7785
Windows Server 2019
Before 10.0.17763.6893
Windows Server 2022
Before 10.0.20348.3207
Windows Server 2022 23h2
Before 10.0.25398.1425
Windows Server 2025
Before 10.0.26100.3194

Related CWEs

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().

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.