CVE-2026-84334 — HIGH (8.1)

Q: How severe is CVE-2026-84334?

CVE-2026-84334 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-84334?

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

Vulnerability Description

Incorrect authorization in Chromoting in Google Chrome on on Windows prior to 152.0.7977.75 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Medium)

CVSS Score

8.1

HIGH

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Chrome	< 152.0.7977.75
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-863

References

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.Release NotesVendor Advisory
https://issues.chromium.org/issues/517798926Permissions Required

FAQ

What is CVE-2026-84334?

CVE-2026-84334 is a vulnerability with a CVSS score of 8.1 (HIGH). Incorrect authorization in Chromoting in Google Chrome on on Windows prior to 152.0.7977.75 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium securi...

How severe is CVE-2026-84334?

CVE-2026-84334 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-84334?

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