Vulnerability record

CVE-2024-29059

Microsoft .NET Framework Information Disclosure Vulnerability

HighExploitation confirmedCISA KEV

What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run .NET Framework, fix it now.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Feb 25, 2025.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

.NET Framework Information Disclosure Vulnerability

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Products affected by this vulnerability, with versions and the source of each entry
Product	Vendor	Affected versions	Source
.NET Framework	Microsoft	3.5; 4.7.2; 4.8; 3.5.1; 2.0; 3.0	KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Developments from the last 30 days, newest first.

CVSS scoredUpdateKEVSep 30, 2026
CVE-2024-29059 scored CVSS 7.5: Microsoft .NET Framework, Microsoft .NET Framework Information Disclosure Vulnerability
CISA lists this as exploited in the wild. Unpatched .NET Framework systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database

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We have not published a story about this vulnerability yet.

msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29059
nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2024-29059
cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-29059