Review reviewHigh

CVE-2026-12018

Google Chrome, chrome, windows

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)

CVSS
8.8
EPSS
0.16%
5.63% percentile
CISA KEV
Not listed
Published
2026.06.12
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.16%
Technical severityCVSS 8.8

Vulnerability overview

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)

Affected product and versions

Product
Google Chrome, chrome, windows
Affected versions
149.0.7827.115, < 149.0.7827.115
Fixed versions
149.0.7827.115

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Google Chrome, chrome, windows and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-269
CVE-2026-12018 — Google Chrome, chrome, windows | SECUFOCUS NOW