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LOW · 3.1

CVE-2026-78943

Improper input validation in Editing 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 po...

Vulnerability Description

Improper input validation in Editing 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

3.1

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
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-20

References

FAQ

What is CVE-2026-78943?

CVE-2026-78943 is a vulnerability with a CVSS score of 3.1 (LOW). Improper input validation in Editing 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 po...

How severe is CVE-2026-78943?

CVE-2026-78943 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-78943?

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