CVE-2026-12018

HighCVSS 8.8/10Last modified Jun 23, 2026

Description

Inappropriate implementation in Mojo in Google Chrome on Windows prior to 149.0.7827.115 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-269

Affected software

No affected versions have been published.

Timeline

Published
Jun 11, 2026
Last modified
Jun 23, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-120198.3Heap buffer overflow in Codecs in Google Chrome on Linux and ChromeOS prior to 149.0.7827.115 allowed a remote attacker who had compromised CVE-2026-12029.8A security flaw has been discovered in CRMEB up to 5.6.3. The affected element is the function appleLogin of the file crmeb/app/api/controllCVE-2026-120208.8Use after free in Autofill in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker to potentially exploit heap corruption CVE-2026-120228.3Race in Safe Browsing in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to CVE-2026-120238.3Use after free in GPU in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to CVE-2026-120246.5Insufficient policy enforcement in DevTools in Google Chrome prior to 149.0.7827.115 allowed a remote attacker to bypass same origin policy CVE-2026-120255.3Insufficient validation of untrusted input in Network in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromisedCVE-2026-120266.5Out of bounds read in Video in Google Chrome on ChromeOS prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer CVE-2026-120279.6Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the rendererCVE-2026-120288.3Use after free in GPU in Google Chrome on Android prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer processCVE-2026-120298.3Use after free in Video in Google Chrome on Windows prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer proceCVE-2026-12038.1A weakness has been identified in CRMEB up to 5.6.3. The impacted element is the function remoteRegister of the file crmeb/app/services/user
CVE-2026-12018: High severity, CVSS 8.8 | Vulnix