CVE-2026-16423: High Use after free in UI
Chromium: CVE-2026-16423 Use after free in UI
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 UI in Google Chrome prior to 150.0.7871.182 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
— MITRE
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 150.0.4078.96 - Upgrade
Upgrade
Google Chrome / Chromiumto a version that resolves this vulnerability.Fixed in 150.0.7871.182 - Compensating control
Mitigate by preventing users from engaging in UI gestures initiated by untrusted web content (e.g., avoid interacting with prompts/gestures from suspicious HTML pages).
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-2026-9126
- 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-2026-19159
- 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-2026-16423?
The severity of CVE-2026-16423 is classified as High.
How do I fix CVE-2026-16423?
To fix CVE-2026-16423, update Google Chrome to version 150.0.7871.182 or later.
What kind of vulnerability is CVE-2026-16423?
CVE-2026-16423 is a Use After Free vulnerability in the UI of Google Chrome.
What can an attacker do with CVE-2026-16423?
An attacker can exploit CVE-2026-16423 to potentially cause heap corruption by convincing a user to engage in specific UI gestures.
Which software is affected by CVE-2026-16423?
CVE-2026-16423 affects Google Chrome versions prior to 150.0.7871.182.