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CVE-2026-45491

nvd nist
Published: Jun 9, 2026Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploitability: 1.8 / Impact: 3.6
Source: NVD

Description

Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally.

Affected (3)

Products: Microsoft: .net
Microsoft
1 product
.net
Configuration A
2 vulnerable · 3 platform
Vulnerable SoftwareAffected Versions
Microsoft
.net
From 10.0.0 to 10.0.9
.net
From 9.0.0 to 9.0.17
Running on/withPlatform Versions
Apple
Macos
All versions
Linux
Linux Kernel
All versions
Microsoft
Windows
All versions
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
.net
From 8.0.0 to 8.0.28

Related CWEs

CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.