CVE-2026-9123

State: Published
Severity: 7.5 High
Published: May 20, 2026
Updated: May 21, 2026
Reserved: May 20, 2026

Description

Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-122 Heap buffer overflow

Affected Products

Product	Versions
ChromeGoogle	148.0.7778.179 to before 148.0.7778.179Affected

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html
https://issues.chromium.org/issues/495988507

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