What is CVE-2026-17993?

CVE-2026-17993 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2026-07-30.

How severe is CVE-2026-17993?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Google Chrome

CVE-2026-17993

Race in Updater in Google Chrome on Windows prior to 151.0.7922.72 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Low)

Vulnerability class: Race Condition

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Chrome — versions 151.0.7922.72

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-17993?: CVE-2026-17993 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2026-07-30.
How severe is CVE-2026-17993?: High severity. CVSS v3 base score is 7.0 out of 10.