CVE-2026-91718: Use After Free
Chromium CVE-2026-91718: Use after free
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases](https://chromereleases.googleblog.com/2026)) for more information.
— Microsoft
Use after free in Core in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code outside the sandbox 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 153.0.4234.46 - Upgrade
Upgrade
Google Chrome/Chromium Coreto a version that resolves this vulnerability.Fixed in 153.0.8010.47 - Compensating control
Mitigate exploitability until patched by limiting browsing to trusted content (crafted HTML is required) and isolating untrusted web content from sensitive systems.
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Users of Google Chrome versions earlier than 153.0.8010.47 are affected when they visit a crafted HTML page. The issue can allow code execution outside Chrome's sandbox.
What does an attacker need to exploit it?
The attacker needs to cause a target to load a crafted HTML page. The provided information does not indicate that authentication, local access, or user-installed extensions are required.
How can I remediate the issue?
Update Google Chrome to version 153.0.8010.47 or later. The vulnerability affects versions prior to that release.