CVE-2026-9123

Name: CVE-2026-9123
Creator: NVD / NIST
Published: 2026-05-20T20:16:45.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2026-9123 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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). EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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)

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.19%

8.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-122

Affected Software

Vendor	Product	Versions
Google	Chrome	< 148.0.7778.179

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.htmlVendor Advisory
https://issues.chromium.org/issues/495988507Permissions Required

Timeline

Published: May 20, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-9123?

How severe is CVE-2026-9123?

CVE-2026-9123 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-9123?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-9123?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST