**Describe the solution you'd like** There is a new Chromium 144.0.7559.252 release from May 22, 2026. Release notes: https://chromereleases.googleblog.com/2026/05/long-term-support-channel-update-for_0791967139.html CEF Build: https://github.com/chromiumembedded/cef/pull/4179 **Additional context** This is a security update for https://github.com/cefsharp/CefSharp/releases/tag/v144.0.250 The Chromium v144 is a Long Term Support branch. CEF Chromium supported releases: <https://chromiumembedded.github.io/cef/branches_and_building#current-release-branches-supported> **Checklist:** - [x] I have reviewed the [CEF API](https://magpcss.org/ceforum/apidocs3/index-all.html) and have confirmed the feature I'm requesting is possible. - [ ] The Feature I'm requesting is an improvement to Async Javascript Binding (No new feature are being added to the Sync Javascript binding) - [ ] An open `PR` exists on the [CEF Pull Requests](https://bitbucket.org/chromiumembedded/cef/pull-requests/) and I'd like to propose this feature is added to `CefSharp` when/if it's merged. ---- > This version includes selected security fixes including: > > - 495931147 High [CVE-2026-5289](https://nvd.nist.gov/vuln/detail/CVE-2026-5289): Use after free in Navigation. > - 497846428 High [CVE-2026-6309](https://nvd.nist.gov/vuln/detail/CVE-2026-6309): Use after free in Viz. > - 487117772 High [CVE-2026-4449](https://nvd.nist.gov/vuln/detail/CVE-2026-4449): Use after free in Blink. > - 488188166 High [CVE-2026-4674](https://nvd.nist.gov/vuln/detail/CVE-2026-4674): Out of bounds read in CSS. > - 497412658 High [CVE-2026-6308](https://nvd.nist.gov/vuln/detail/CVE-2026-6308): Out of bounds read in Media. > - 482828615 High [CVE-2026-3916](https://nvd.nist.gov/vuln/detail/CVE-2026-3916): Out of bounds read in Web Speech. > - 484751092 High [CVE-2026-4442](https://nvd.nist.gov/vuln/detail/CVE-2026-4442): Heap buffer overflow in CSS. > - 489619753 High [CVE-2026-4458](https://nvd.nist.gov/vuln/detail/CVE-2026-4458): Use after free in Extensions. > - 487768779 High [CVE-2026-4451](https://nvd.nist.gov/vuln/detail/CVE-2026-4451): Insufficient validation of untrusted input in Navigation. > - 492213293 Medium [CVE-2026-5292](https://nvd.nist.gov/vuln/detail/CVE-2026-5292): Out of bounds read in WebCodecs. > - 491655161 Medium [CVE-2026-5282](https://nvd.nist.gov/vuln/detail/CVE-2026-5282): Out of bounds read in WebCodecs. > > https://chromereleases.googleblog.com/2026/05/long-term-support-channel-update-for_0791967139.html
Describe the solution you'd like
There is a new Chromium 144.0.7559.252 release from May 22, 2026.
Release notes: https://chromereleases.googleblog.com/2026/05/long-term-support-channel-update-for_0791967139.html
CEF Build: chromiumembedded/cef#4179
Additional context
This is a security update for https://github.com/cefsharp/CefSharp/releases/tag/v144.0.250
The Chromium v144 is a Long Term Support branch.
CEF Chromium supported releases: https://chromiumembedded.github.io/cef/branches_and_building#current-release-branches-supported
Checklist:
PRexists on the CEF Pull Requests and I'd like to propose this feature is added toCefSharpwhen/if it's merged.