CVE-2026-50526 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-50526MEDIUM

Microsoft .NET 10.0 — .NET Tampering Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  H  N    5.5   .0024   14.9     —

AFFECTED
  Product                                     Versions   Fixed
  .NET 10.0                                   10.0.0 –   —
  .NET 8.0                                    8.0.0 –    —
  .NET 9.0                                    9.0.0 –    —
  Microsoft Visual Studio 2022 version 17.12  17.12.0 –  —
  Microsoft Visual Studio 2022 version 17.14  17.14.0 –  —
  Microsoft Visual Studio 2026 version 18.7   18.0 –     —

TIMELINE
  Jun 4   Reserved by microsoft
  Jul 14  Published (CNA: microsoft)
  Jul 22  RESCORED — CVE-2026-50526 (Microsoft .NET 10.0). CVSS 7 → 5.5 (NVD).

CWE-59, CWE-345 · CNA: microsoft · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

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

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 4, 2026	Reserved	Reserved by microsoft
July 14, 2026	Published	Published (CNA: microsoft)
July 22, 2026	RESCORED	RESCORED — CVE-2026-50526 (Microsoft .NET 10.0). CVSS 7 → 5.5 (NVD).

Affected

Affected products and packages — 6 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	.NET 10.0	—	10.0.0	—
Microsoft	.NET 8.0	—	8.0.0	—
Microsoft	.NET 9.0	—	9.0.0	—
Microsoft	Microsoft Visual Studio 2022 version 17.12	—	17.12.0	—
Microsoft	Microsoft Visual Studio 2022 version 17.14	—	17.14.0	—
Microsoft	Microsoft Visual Studio 2026 version 18.7	—	18.0	—

Weaknesses

CWE-59 · CWE-345

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50526 [vendor-advisory, patch]

Authoritative record: CVE-2026-50526 at cve.org

Vendors: microsoft

Weaknesses: CWE-59 · CWE-345

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-50526 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.