CVE-2026-91734

Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.4 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html	Release Notes Vendor Advisory
https://issues.chromium.org/issues/516780835	Permissions Required

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

17 Sep 2026, 16:03

Type	Values Removed	Values Added
First Time		Google chrome Microsoft Microsoft windows Google
References	~~() https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html -~~	() https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html - Release Notes, Vendor Advisory
References	~~() https://issues.chromium.org/issues/516780835 -~~	() https://issues.chromium.org/issues/516780835 - Permissions Required
CPE		cpe:2.3:a:google:chrome:::::::: cpe:2.3:o:microsoft:windows:-:::::::*

Information

Published : 2026-09-15 21:16

Updated : 2026-09-17 16:03

NVD link : CVE-2026-91734

Mitre link : CVE-2026-91734

CVE.ORG link : CVE-2026-91734

JSON object : View

Products Affected

google

chrome

microsoft

windows

CWE

CWE-863

Incorrect Authorization

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