What is CVE-2026-19139?

CVE-2026-19139 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.4/10. Published 2026-08-06.

How severe is CVE-2026-19139?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Google Chrome

CVE-2026-19139

Race in CredentialProvider in Google Chrome on Windows prior to 151.0.7922.109 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)

Vulnerability class: Race Condition

Published 2026-08-06 · last modified 2026-10-23.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.4th percentile), scored 2026-11-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Chrome — versions 151.0.7922.109
Microsoft Windows

Weakness classification (CWE)

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

References

chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0119367… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/511731805 (Permissions Required)

Frequently asked questions

What is CVE-2026-19139?: CVE-2026-19139 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.4/10. Published 2026-08-06.
How severe is CVE-2026-19139?: High severity. CVSS v3 base score is 7.4 out of 10.