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CVE-2026-49172

nvd nist
Published: Jul 14, 2026Modified: Jul 23, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: secure@microsoft.com (Secondary)

Description

Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network.

Affected (20)

Microsoft
11 products
Windows 10 1607
Windows 10 1809
Windows 10 21h2
Windows 10 22h2
Windows 11 23h2
Windows 11 24h2
Windows 11 25h2
Windows 11 26h1
Windows Server 2019
Windows Server 2022
Windows Server 2025
Configuration A
20 vulnerable
Vulnerable SoftwareAffected Versions
Windows 10 1607
version < 10.0.14393.9339
Microsoft
Windows 10 1809
version < 10.0.17763.9020
Windows 10 1809
version < 10.0.17763.9020
Microsoft
Windows 10 21h2
version < 10.0.19044.7548
Windows 10 21h2
version < 10.0.19044.7548
Windows 10 21h2
version < 10.0.19044.7548
Microsoft
Windows 10 22h2
version < 10.0.19045.7548
Windows 10 22h2
version < 10.0.19045.7548
Windows 10 22h2
version < 10.0.19045.7548
Microsoft
Windows 11 23h2
version < 10.0.22631.7376
Windows 11 23h2
version < 10.0.22631.7376
Microsoft
Windows 11 24h2
version < 10.0.26100.8875
Windows 11 24h2
version < 10.0.26100.8875
Microsoft
Windows 11 25h2
version < 10.0.26200.8875
Windows 11 25h2
version < 10.0.26200.8875
Microsoft
Windows 11 26h1
version < 10.0.28000.2525
Windows 11 26h1
version < 10.0.28000.2269
Windows Server 2019
version < 10.0.17763.9020
Windows Server 2022
version < 10.0.20348.5386
Windows Server 2025
version < 10.0.26100.33158

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
PatchVendor Advisory

Timeline

No history available yet.