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MEDIUM · 4.3

CVE-2026-78961

Incorrect authorization in Core in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass web origin policy ...

Vulnerability Description

Incorrect authorization in Core in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
GoogleChrome< 152.0.7977.65

Related Weaknesses (CWE)

CWE-863

References

FAQ

What is CVE-2026-78961?

CVE-2026-78961 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Incorrect authorization in Core in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass web origin policy ...

How severe is CVE-2026-78961?

CVE-2026-78961 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-2026-78961?

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