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Description

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

PUBLISHED Reserved 2026-06-04 | Published 2026-07-14 | Updated 2026-07-14 | Assigner microsoft




HIGH: 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-59: Improper Link Resolution Before File Access ('Link Following')

CWE-345: Insufficient Verification of Data Authenticity

Product status

10.0.0 (custom) before 10.0.6
affected

8.0.0 (custom) before 8.0.29
affected

9.0.0 (custom) before 9.0.18
affected

17.12.0 (custom) before 17.12.22
affected

17.14.0 (custom) before 17.14.36
affected

18.0 (custom) before 18.7.4
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50526 (.NET Tampering Vulnerability) vendor-advisory patch

cve.org (CVE-2026-50526)

nvd.nist.gov (CVE-2026-50526)

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