Improper Isolation or Compartmentalization Affecting cefsharp.offscreen package, versions [,134.3.90)
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DOTNET-CEFSHARPOFFSCREEN-9689769
- published13 Apr 2025
- disclosed24 Mar 2025
- creditBoris Larin, Igor Kuznetsov
Introduced: 24 Mar 2025
NewCVE-2025-2783 (opens in a new tab)How to fix?
Upgrade CefSharp.OffScreen to version 134.3.90 or higher.
Overview
Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization that allows an attacker who can convince a user to follow a malicious link to escape sandbox protections, due to a logic error in the Mojo component. This vulnerability does not enable code execution on its own, but is presumed chainable with another vulnerability to achieve code execution and has been observed in the wild.
Note: This vulnerability is only exploitable on Windows.