CVE-2026-17866 — MEDIUM (5.8)

Q: How severe is CVE-2026-17866?

CVE-2026-17866 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-17866?

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

Vulnerability Description

Type Confusion in Tab in Google Chrome on Android prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

CVSS Score

5.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Google	Chrome	< 151.0.7922.72
Google	Android	-

Related Weaknesses (CWE)

CWE-843

References

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_Release NotesVendor Advisory
https://issues.chromium.org/issues/520525732Permissions Required

FAQ

What is CVE-2026-17866?

CVE-2026-17866 is a vulnerability with a CVSS score of 5.8 (MEDIUM). Type Confusion in Tab in Google Chrome on Android prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML p...

How severe is CVE-2026-17866?

CVE-2026-17866 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-17866?

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