What is CVE-2026-17863?

CVE-2026-17863 is a high-severity vulnerability in Google Chrome, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-07-30.

How severe is CVE-2026-17863?

High severity. CVSS v3 base score is 7.8 out of 10.

Privilege escalation in Google Chrome

CVE-2026-17863

Inappropriate implementation in Browser 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: Medium)

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/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-269 — Improper Privilege Management

References

chrome-cve-admin@google.com
chrome-cve-admin@google.com

Frequently asked questions

What is CVE-2026-17863?: CVE-2026-17863 is a high-severity vulnerability in Google Chrome, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-07-30.
How severe is CVE-2026-17863?: High severity. CVSS v3 base score is 7.8 out of 10.