PatchSiren cyber security CVE debrief

CVE-2026-12024 Google CVE debrief

CVE-2026-12024 is a vulnerability in Google Chrome prior to version 149.0.7827.115. The issue is related to insufficient policy enforcement in DevTools, which allowed a remote attacker to bypass the same origin policy via a crafted HTML page. The vulnerability has a CVSS score of 6.5 and is classified as Medium severity.

Vendor: Google
Product: Chrome
CVSS: MEDIUM 6.5
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-11
Original CVE updated: 2026-06-23
Advisory published: 2026-06-11
Advisory updated: 2026-06-23

Who should care

Users of Google Chrome prior to version 149.0.7827.115 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by insufficient policy enforcement in DevTools, which allows a remote attacker to bypass the same origin policy. This can be exploited via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

Update Google Chrome to version 149.0.7827.115 or later.

Evidence notes

The CVE record and NVD detail can be found at [cve-org] and [nvd], respectively.

Sources and references

Verified primary and authoritative sources

CVE-2026-12024 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-12024

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-12024 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12024

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_01962725236.html

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

URL: https://issues.chromium.org/issues/517086161

[email protected] - Issue Tracking, 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.