What is CVE-2026-91719?

CVE-2026-91719 is a high-severity vulnerability in Google Chrome, classified under Code Injection. CVSS score: 8.1/10. Published 2026-09-15.

How severe is CVE-2026-91719?

High severity. CVSS v3 base score is 8.1 out of 10.

RCE in Google Chrome

CVE-2026-91719

Code injection in XML in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

Vulnerability class: RCE (Remote Code Execution)

Published 2026-09-15 · last modified 2026-09-18.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.2th percentile), scored 2026-10-31.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Google Chrome

Weakness classification (CWE)

CWE-94 — Code Injection

References

chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/542115030 (Permissions Required)

Frequently asked questions

What is CVE-2026-91719?: CVE-2026-91719 is a high-severity vulnerability in Google Chrome, classified under Code Injection. CVSS score: 8.1/10. Published 2026-09-15.
How severe is CVE-2026-91719?: High severity. CVSS v3 base score is 8.1 out of 10.