CVE-2026-9126: High Use after free in DOM
Chromium: CVE-2026-9124 Insufficient validation of untrusted input in Input
Other sources
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
Use after free in DOM in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Google Chrome / Chromium-based Microsoft Edgeto a version that resolves this vulnerability.Fixed in 148.0.7778.179
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-19141
- CVE-2026-13281
- CVE-2026-19155
- CVE-2026-19175
- CVE-2026-12446
- CVE-2026-19153
- CVE-2026-19166
- CVE-2026-15123
- CVE-2026-17680
- CVE-2026-12460
- CVE-2026-12456
- CVE-2026-12459
- CVE-2026-15905
- CVE-2026-15127
- CVE-2026-17657
- CVE-2026-15107
- CVE-2026-15118
- CVE-2026-15108
- CVE-2026-15116
- CVE-2026-12451
- CVE-2026-12015
- CVE-2026-15902
- CVE-2026-15778
- CVE-2026-15119
- CVE-2026-15121
- CVE-2026-13031
- CVE-2026-13036
- CVE-2026-16805
- CVE-2026-13853
- CVE-2026-15111
- CVE-2026-12017
- CVE-2026-13023
- CVE-2026-13026
- CVE-2026-13024
- CVE-2026-13854
- CVE-2026-12019
- CVE-2026-10970
- CVE-2026-19140
- CVE-2026-15114
- CVE-2026-19156
- CVE-2026-16423
- CVE-2026-19159
- CVE-2026-11672
- CVE-2026-19157
- CVE-2026-12455
- CVE-2026-17650
- CVE-2026-10956
- CVE-2026-11691
- CVE-2026-12012
- CVE-2026-11684
- CVE-2026-12014
Frequently Asked Questions
What is the severity of CVE-2026-9126?
CVE-2026-9126 has a high severity rating of 8.8 according to the CVSS 3.1 metrics.
What software is affected by CVE-2026-9126?
CVE-2026-9126 affects Google Chrome and Microsoft Edge (Chromium-based).
How do I fix CVE-2026-9126?
To fix CVE-2026-9126, ensure you update Google Chrome or Microsoft Edge to the latest version available.
What type of vulnerability is CVE-2026-9126?
CVE-2026-9126 is classified as a 'Use After Free' vulnerability in the DOM.
What are the potential impacts of CVE-2026-9126?
CVE-2026-9126 can lead to elevated privileges, allowing attackers to execute arbitrary code in the context of the user.