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Vulnerability record · CVE-2026-12027 · published 11 June 2026

CVE-2026-12027: Google chrome execution with unnecessary privileges vulnerability

Google · Chrome

Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

9.6 CVSS 3.1 Critical EPSS 0.22% · top 88.3% CWE-250 · Execution with unnecessary privilegesCWE-693 · CWE-693
9.6CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
23 Jun 2026Last modified by NVD

Description

Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html Vendor Advisory
https://issues.chromium.org/issues/517517155 Issue TrackingPermissions Required

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-12027), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.