CVE-2026-76033 — MEDIUM (4.2)

Q: How severe is CVE-2026-76033?

CVE-2026-76033 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-76033?

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

Vulnerability Description

Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS Score

4.2

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Chrome	< 151.0.7922.169

Related Weaknesses (CWE)

CWE-20

References

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_Release NotesVendor Advisory
https://issues.chromium.org/issues/516715010Permissions Required

FAQ

What is CVE-2026-76033?

CVE-2026-76033 is a vulnerability with a CVSS score of 4.2 (MEDIUM). Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chro...

How severe is CVE-2026-76033?

CVE-2026-76033 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-76033?

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