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Vulnerabilities

Vulnerability · CVE-2024-29059

Microsoft .NET Framework Information Disclosure Vulnerability

Published Mar 22, 2024 · catalog updated Jun 17, 2026 · Microsoft .NET Framework

Patch now

CVE-2024-29059 is in the CISA known-exploited catalog, due Feb 25, 2025. Confirm Microsoft .NET Framework against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High7.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
98.62%
Remediation
Remediation guidance
Affected products
cpe microsoft/.net framework · vendor Microsoft .NET Framework

Microsoft .NET Framework contains an information disclosure vulnerability that exposes the ObjRef URI to an attacker, ultimately enabling remote code execution.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/.net framework2.0
  • cpe microsoft/.net framework3.0
  • cpe microsoft/.net framework3.5
  • cpe microsoft/.net framework3.5.1
  • cpe microsoft/.net framework4.6.2
  • cpe microsoft/.net framework4.7.2
  • cpe microsoft/.net framework4.8
  • vendor Microsoft .NET Frameworkversion unspecified

How to fix CVE-2024-29059

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-29059 is in the CISA known-exploited catalog, due Feb 25, 2025. Confirm Microsoft .NET Framework against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with microsoft/.net framework 2.0; microsoft/.net framework 3.0; microsoft/.net framework 3.5; microsoft/.net framework 3.5.1. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-209. EPSS 98.62%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 22, 2024 · Catalog

    Detected

    Microsoft .NET Framework contains an information disclosure vulnerability that exposes the ObjRef URI to an attacker, ultimately enabling remote code execution.

  2. Feb 4, 2025 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Feb 25, 2025 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 17, 2026 · Catalog

    Updated

    Microsoft .NET Framework contains an information disclosure vulnerability that exposes the ObjRef URI to an attacker, ultimately enabling remote code execution.

Sources

  • CISA KEVConfirmed exploitationCVE-2024-29059

    Microsoft .NET Framework contains an information disclosure vulnerability that exposes the ObjRef URI to an attacker, ultimately enabling remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2024-29059

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-29059

    30-day exploitation probability 98.6%

    first.org
  • NIST NVDVulnerability recordCVE-2024-29059

    .NET Framework Information Disclosure Vulnerability

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2024-29059

    Microsoft .NET Framework contains an information disclosure vulnerability that exposes the ObjRef URI to an attacker, ultimately enabling remote code execution.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.