Review reviewHigh

CVE-2026-17864

Google Chrome, chrome, macos

Inappropriate implementation in Updater in Google Chrome on Mac prior to 151.0.7922.72 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.07.30
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

Inappropriate implementation in Updater in Google Chrome on Mac prior to 151.0.7922.72 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

Affected product and versions

Product
Google Chrome, chrome, macos
Affected versions
>= 151.0.7922.72 < 151.0.7922.72, < 151.0.7922.72
Fixed versions
151.0.7922.72

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Google Chrome, chrome, macos 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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-269
CVE-2026-17864 — Google Chrome, chrome, macos | SECUFOCUS NOW