CVE-2026-3921: High Use after free in TextEncoding.
Chromium: CVE-2026-3921 Use after free in TextEncoding
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 TextEncoding in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
— NVD
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-3921?
The severity of CVE-2026-3921 is classified as High.
How do I fix CVE-2026-3921?
To fix CVE-2026-3921, update Google Chrome to version 146.0.7680.71 or later.
What does CVE-2026-3921 affect?
CVE-2026-3921 affects Google Chrome versions prior to 146.0.7680.71.
What type of vulnerability is CVE-2026-3921?
CVE-2026-3921 is a use-after-free vulnerability in the TextEncoding component of Google Chrome.
Can CVE-2026-3921 be exploited remotely?
Yes, CVE-2026-3921 can potentially allow a remote attacker to exploit heap corruption via a crafted HTML page.