Vulnerability Report

CVE-2026-11103

Title: OS-level Privilege Escalation in Chrome Installer for Windows

Auth Bypass

Proof Of Concept

PoC Available for CVE-2026-11103

CWE Category NVD-CWE-noinfo
Published Date Jun 04, 2026
Modified Date Jul 23, 2026
Exploit Status Available
Score 7.8 CVSS v
Exploit Probability (EPSS)
0.08%

Vulnerability Summary

CVE-2026-11103: 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)

Impacted Vendors

G
google 1
T
techland 1

Reference Links

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html https://issues.chromium.org/issues/500483038
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-11103 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/George0Papasotiriou/CVE-2026-11103-GraphQL-Batching-Alias-Rate-Limit-Bypass
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.