CVE-2026-84353 — CRITICAL (9.6)

Q: How severe is CVE-2026-84353?

CVE-2026-84353 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-84353?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Google Android.

Vulnerability Description

Use after free in Shared Tab Groups in Google Chrome on on Android prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Chrome	< 152.0.7977.75
Google	Android	-

Related Weaknesses (CWE)

CWE-416

References

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.Release NotesVendor Advisory
https://issues.chromium.org/issues/522307103Permissions Required

FAQ

What is CVE-2026-84353?

CVE-2026-84353 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Use after free in Shared Tab Groups in Google Chrome on on Android prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a cr...

How severe is CVE-2026-84353?

CVE-2026-84353 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-84353?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Google Android.