CVE-2022-46330 — Squirrel

Squirrel.Windows is both a toolset and a library that provides installation and update functionality for Windows desktop applications. Installers generated by Squirrel.Windows 2.0.1 and earlier contain an issue with the DLL search path, which may lead to insecurely loading Dynami

01What is this vulnerability?

Squirrel.Windows is both a toolset and a library that provides installation and update functionality for Windows desktop applications. Installers generated by Squirrel.Windows 2.0.1 and earlier contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries. As a result, arbitrary code may be executed with the privilege of the user invoking the installer.

02Affected products

Vendor	Product	Versions
Squirrel	Installers generated by Squirrel.Windows	2.0.1 and earlier

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-12-21T00:00:00.000Z
• Last modified: 2025-04-16T16:03:10.062Z

09References

• github.com — https://github.com/Squirrel/Squirrel.Windows/pull/1807
• github.com — https://github.com/Squirrel/Squirrel.Windows
• jvn.jp — https://jvn.jp/en/jp/JVN29902403/index.html