CVE-2026-17749 — CRITICAL (9.6)

Vulnerability Description

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: Medium)

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

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2026-17749?

CVE-2026-17749 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sand...

How severe is CVE-2026-17749?

CVE-2026-17749 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-2026-17749?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.