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Vulnerabilities

Vulnerability · CVE-2024-53326

LINQPad before 5.52.01 Pro edition is vulnerable to Unsafe Deserialization in LINQPad.AutoRefManager::PopulateFromCache(), leading to code execution.

Published May 8, 2026 · catalog updated Jun 17, 2026 · LINQPad before 5.52.01 Pro

Check if you run it

No confirmed exploitation is on record for CVE-2024-53326. EPSS is 0.49%. Act only if a listed version of LINQPad before 5.52.01 Pro is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (LINQPad before 5.52.01 Pro).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.49%
Remediation
Not established
Affected products
See sources for product scope

LINQPad before 5.52.01 Pro edition is vulnerable to Unsafe Deserialization in LINQPad.AutoRefManager::PopulateFromCache(), leading to code execution.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2024-53326

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2024-53326. EPSS is 0.49%. Act only if a listed version of LINQPad before 5.52.01 Pro is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 0.49%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. 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. May 8, 2026 · NIST NVD

    Detected

    LINQPad before 5.52.01 Pro edition is vulnerable to Unsafe Deserialization in LINQPad.AutoRefManager::PopulateFromCache(), leading to code execution.

  2. Jun 17, 2026 · NIST NVD

    Updated

    LINQPad before 5.52.01 Pro edition is vulnerable to Unsafe Deserialization in LINQPad.AutoRefManager::PopulateFromCache(), leading to code execution.

Sources

  • CVE.orgVulnerability recordCVE-2024-53326

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-53326

    30-day exploitation probability 0.5%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_windows/persistence/linqpad_deserialization

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2024-53326

    LINQPad before 5.52.01 Pro edition is vulnerable to Unsafe Deserialization in LINQPad.AutoRefManager::PopulateFromCache(), leading to code execution.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.