CVE-2026-11247

FAUCET Score

Insufficient policy enforcement in CustomTabs in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

First published: Jun 4, 2026Last modified: Jun 5, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 149.0.7827.53CPE matchmatch criteria	cpe:2.3:a:google:chrome::::::::
		>= 149.0.7827.53, < 149.0.7827.53CPE match	cpe:2.3:a:google:chrome::::::::

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

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 Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

1.6

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.18%

Probability of exploitation in next 30 days

EPSS Percentile

7.6%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0018 is in the 20th percentile among its peer group of 233 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc

Product: Microsoft Edge (Chromium-based)Fixed in: 149.0.4022.53

googlevendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

microsoft2026-Jun/CVE-2026-11247

Chromium: CVE-2026-11247 Insufficient policy enforcement in CustomTabs

Jun 9, 2026

References

chromereleases.googleblog.com / 2026/06/stable-channel-update-for-desktop.html

Vendor Advisory

issues.chromium.org / issues/497865734

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