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Review reviewHigh

CVE-2026-50524

Microsoft .NET 10.0, .NET 8.0, .NET 9.0

Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to deny service over a network.

CVSS
7.5
EPSS
0.63%
46.8% percentile
CISA KEV
Not listed
Published
2026.07.15
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.63%
Technical severityCVSS 7.5

Vulnerability overview

Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to deny service over a network.

Affected product and versions

Product
Microsoft .NET 10.0, .NET 8.0, .NET 9.0
Affected versions
>= 10.0.0 < 10.0.10, >= 8.0.0 < 8.0.29, >= 9.0.0 < 9.0.18, >= 17.12.0 < 17.12.22, >= 17.14.0 < 17.14.36, >= 18.0 < 18.7.4, >= 10.0.0 < 10.0.6, >= 18.7.0 < 18.7.4
Fixed versions
8.0.29, 9.0.18, 10.0.6, 17.12.22, 17.14.36, 18.7.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Microsoft .NET 10.0, .NET 8.0, .NET 9.0 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-1287
CVE-2026-50524 — Microsoft .NET 10.0, .NET 8.0, .NET 9.0 | SECUFOCUS NOW