CVE-2026-9121: Out of bounds read in GPU
Chromium: CVE-2026-9126 Use after free in DOM
Other sources
Out of bounds read in GPU in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)
— NVD
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 148.0.7778.178 - Upgrade
Upgrade
Google Chrome / Chromium (Edge uses Chromium)to a version that resolves this vulnerability.Fixed in 148.0.7778.179Patch CVE-2026-9126 - Upgrade
Upgrade
Google Chrome / Chromium (Edge uses Chromium)to a version that resolves this vulnerability.Patch CVE-2026-9126
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-9121?
The severity of CVE-2026-9121 is rated as high with a score of 8.8 according to CVSS 3.1.
How do I fix CVE-2026-9121?
To fix CVE-2026-9121, you should update Google Chrome to version 148.0.7778.179 or later.
What software is affected by CVE-2026-9121?
CVE-2026-9121 affects Google Chrome and Microsoft Edge (Chromium-based) browsers.
What type of vulnerability is CVE-2026-9121?
CVE-2026-9121 is categorized as a use after free vulnerability leading to an out of bounds read in the GPU.
Can CVE-2026-9121 be exploited remotely?
Yes, CVE-2026-9121 can be potentially exploited by a remote attacker through a crafted HTML page.