CVE-2026-11103

Name: CVE-2026-11103
Creator: NVD / NIST
Published: 2026-06-04T23:17:15.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.08%

Last modified Jun 17, 2026

CVE-2026-11103 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Inappropriate implementation in Installer in Google Chrome on Windows prior to 149.0.7827.53 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium). EPSS estimates a 0.08% chance of exploitation in the next 30 days.

Description

Inappropriate implementation in Installer in Google Chrome on Windows prior to 149.0.7827.53 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.08%

0.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Google	Chrome	< 149.0.7827.53

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.htmlVendor Advisory
https://issues.chromium.org/issues/500483038Permissions Required

Timeline

Published: Jun 4, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-11103?

How severe is CVE-2026-11103?

CVE-2026-11103 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.08% probability of exploitation in the next 30 days.

How do I fix CVE-2026-11103?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-11103?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST