CVE-2026-12453 | BDVDB-2026-341249 Detail

GoogleChrome

Description#

Insufficient validation of untrusted input in Input in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-20 Improper Input Validation

References#

Exploit#

No public exploit known

History#

Version 12026-06-17Record published in the CVE List.

Published

Published: 2026-06-17
Last modified: 2026-06-17

Vendor information

Vendor: Google
Product: Chrome

All Google vulnerabilities

Score

4.2 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 7.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Input Validation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 149.0.7827.155 and < 149.0.7827.155
Fixed
149.0.7827.155

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.2 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).