CVE-2026-84356 — MEDIUM (4.3)

Q: What is CVE-2026-84356?

CVE-2026-84356 is a vulnerability with a CVSS score of 4.3 (MEDIUM). UI misrepresentation in FullScreen in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to spoof address bar via a crafted HTML page. (Chromium security severity: Low)

Q: How severe is CVE-2026-84356?

CVE-2026-84356 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-84356?

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

Vulnerability Description

UI misrepresentation in FullScreen in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to spoof address bar via a crafted HTML page. (Chromium security severity: Low)

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Chrome	< 152.0.7977.75

Related Weaknesses (CWE)

CWE-451

References

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.Release NotesVendor Advisory
https://issues.chromium.org/issues/503787232Permissions Required

FAQ

What is CVE-2026-84356?

CVE-2026-84356 is a vulnerability with a CVSS score of 4.3 (MEDIUM). UI misrepresentation in FullScreen in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to spoof address bar via a crafted HTML page. (Chromium security severity: Low)

How severe is CVE-2026-84356?

CVE-2026-84356 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-84356?

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