Vulnerability details

CVE-2026-11255

Google Chrome

CVSS 3.1

7.5High

Official description

Insufficient validation of untrusted input in Storage Access API in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

CVSS scores

Score	Version	Source	Vector
7.5High	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`

Affected products

Vendor	Product	Versions	Source
Google	Chrome	149.0.7827.53 ≤ v < 149.0.7827.53	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2026-06-05
Last updated: 2026-06-05
State: Published
Assigner (CNA): Chrome

Exploit prediction (EPSS)

0.26%

Probability of exploitation in 30 days

18.4%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-20
Insufficient validation of untrusted input