Security Fixes and Rewards
Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed.
This update includes 12 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.
[$500][527930356] High CVE-2026-16420: Type Confusion in WebAudio. Reported by Found by XBOW and triaged by Brendan Dolan-Gavitt on 2026-06-26
[$500][528276487] High CVE-2026-16421: Inappropriate implementation in WebAudio. Reported by Found by XBOW and triaged by Brendan Dolan-Gavitt on 2026-06-26
[N/A][517359779] High CVE-2026-16413: Out of bounds write in ANGLE. Reported by Google on 2026-05-28
[N/A][517651910] High CVE-2026-16414: Insufficient validation of untrusted input in Chromecast. Reported by Google on 2026-05-28
[N/A][519244446] High CVE-2026-16415: Insufficient validation of untrusted input in Extensions. Reported by Google on 2026-06-02
[N/A][520172356] High CVE-2026-16416: Integer overflow in Chromecast. Reported by Google on 2026-06-05
[N/A][521491024] High CVE-2026-16417: Uninitialized Use in Skia. Reported by Google on 2026-06-08
[N/A][522125255] High CVE-2026-16418: Stack buffer overflow in V8. Reported by Google on 2026-06-10
[N/A][523435970] High CVE-2026-16419: Out of bounds read and write in ANGLE. Reported by Google on 2026-06-13
[N/A][533515002] High CVE-2026-16422: Insufficient validation of untrusted input in Certificate. Reported by Google on 2026-07-10
[N/A][534582496] High CVE-2026-16423: Use after free in UI. Reported by Google on 2026-07-14
[N/A][534858939] High CVE-2026-16424: Use after free in GPU. Reported by Google on 2026-07-14
We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel.
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.
