CVE-2026-103626
published 2026-10-02CVE-2026-103626: Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to…
PriorityP356critical9.6CVSS 3.1
AVNACLPRNUIRSCCHIHAH
EPSS
0.33%
24.3th percentile
Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 154.0.8037.97 | 154.0.8037.97 | |
| chrome | >= 154.0.8037.97 < 154.0.8037.97 | 154.0.8037.97 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.19.6CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
vendor_redhat9.6CRITICAL
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Red Hat
chromium-browser: Incorrect authorization in FileSystem
vendor_redhat·2026-10-02·CVSS 9.6
CVE-2026-103626 [CRITICAL] CWE-863 chromium-browser: Incorrect authorization in FileSystem
chromium-browser: Incorrect authorization in FileSystem
Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
An incorrect authorization flaw was found in the FileSystem component of the Chromium browser.
Upstream bug(s):
https://issues.chromium.org/issues/553114097
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-103628
vendor_chrome·2026-10-01·CVSS 4.3
CVE-2026-103628 [CRITICAL] Stable Channel Update for Desktop: CVE-2026-103628
Stable Channel Update for Desktop
CVE-2026-103628: Out of bounds write in WebGL. Reported by Google on 2026-08-21 [N/A][ 553114097 ] High CVE-2026-103626: Incorrect authorization in FileSystem
Reported by Google on 2026-08-26 [N/A][ 556268833 ] High CVE-2026-103621: Integer overflow in Compositing
Severity: critical
GHSA
Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sa
ghsa_unreviewed·2026-10-02
CVE-2026-103626 [CRITICAL] CWE-863 Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sa
Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
VulDB
Google Chrome up to 154.0.8037.92 FileSystem improper authorization
vuldb·2026-10-02·CVSS 9.6
CVE-2026-103626 [CRITICAL] Google Chrome up to 154.0.8037.92 FileSystem improper authorization
A vulnerability, which was classified as critical, was found in Google Chrome. Affected is an unknown function of the component FileSystem. Executing a manipulation can lead to improper authorization.
This vulnerability is registered as CVE-2026-103626. It is possible to launch the attack remotely. No exploit is available.
You should upgrade the affected component.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-103621 CVE-2026-103622 CVE-2026-103623 CVE-2026-103624 CVE-2026-103625 CVE-2026-103626 CVE-2026-103627 CVE-2026-103628 CVE-2026-103629 CVE-2026-103630 CVE-2026-103631 chromium: various flaws
bugzilla·2026-10-05·CVSS 4.3
CVE-2026-103621 [MEDIUM] CVE-2026-103621 CVE-2026-103622 CVE-2026-103623 CVE-2026-103624 CVE-2026-103625 CVE-2026-103626 CVE-2026-103627 CVE-2026-103628 CVE-2026-103629 CVE-2026-103630 CVE-2026-103631 chromium: various flaws
CVE-2026-103621 CVE-2026-103622 CVE-2026-103623 CVE-2026-103624 CVE-2026-103625 CVE-2026-103626 CVE-2026-103627 CVE-2026-103628 CVE-2026-103629 CVE-2026-103630 CVE-2026-103631 chromium: various flaws [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Type confusion in V8 in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Use after free in Contextual Tasks in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker who had compromised the renderer process to potentially
Bugzilla
CVE-2026-103621 CVE-2026-103622 CVE-2026-103623 CVE-2026-103624 CVE-2026-103625 CVE-2026-103626 CVE-2026-103627 CVE-2026-103628 CVE-2026-103629 CVE-2026-103630 CVE-2026-103631 chromium: various flaws
bugzilla·2026-10-05·CVSS 4.3
CVE-2026-103621 [MEDIUM] CVE-2026-103621 CVE-2026-103622 CVE-2026-103623 CVE-2026-103624 CVE-2026-103625 CVE-2026-103626 CVE-2026-103627 CVE-2026-103628 CVE-2026-103629 CVE-2026-103630 CVE-2026-103631 chromium: various flaws
CVE-2026-103621 CVE-2026-103622 CVE-2026-103623 CVE-2026-103624 CVE-2026-103625 CVE-2026-103626 CVE-2026-103627 CVE-2026-103628 CVE-2026-103629 CVE-2026-103630 CVE-2026-103631 chromium: various flaws [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Type confusion in V8 in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Use after free in Contextual Tasks in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker who had compromised the renderer process to potential
Bugzilla
CVE-2026-103626 chromium-browser: Incorrect authorization in FileSystem
bugzilla·2026-10-02·CVSS 9.6
CVE-2026-103626 [CRITICAL] CVE-2026-103626 chromium-browser: Incorrect authorization in FileSystem
CVE-2026-103626 chromium-browser: Incorrect authorization in FileSystem
Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
2026-10-02
Published