PatchSiren cyber security CVE debrief

CVE-2026-11241 Google CVE debrief

CVE-2026-11241 is a vulnerability in Google Chrome's Cast feature, which allowed an attacker on the local network segment to perform privilege escalation via a crafted HTML page. The vulnerability was reported with a CVSS score of 8 and a severity of HIGH.

Vendor: Google
Product: Chrome
CVSS: HIGH 8
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-05
Original CVE updated: 2026-07-23
Advisory published: 2026-06-05
Advisory updated: 2026-07-23

Who should care

Users of Google Chrome prior to version 149.0.7827.53

Technical summary

The vulnerability was caused by insufficient validation of untrusted input in the Cast feature of Google Chrome. This allowed an attacker on the local network segment to perform privilege escalation via a crafted HTML page.

Defensive priority

HIGH

Recommended defensive actions

Update Google Chrome to version 149.0.7827.53 or later

Evidence notes

The CVE was published on 2026-06-05T00:17:00.340Z and modified on 2026-06-05T15:29:16.977Z. The vulnerability was reported by [email protected] with a CVSS vector of CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Sources and references

Verified primary and authoritative sources

CVE-2026-11241 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-11241

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-11241 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11241

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Mitigation or vendor reference
Unverified legacy reference

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

[email protected] - Vendor Advisory
Source reference
Unverified legacy reference

URL: https://issues.chromium.org/issues/497203741

[email protected] - Permissions Required

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.